The fact that you speak about cleansing of Albanians and don't speak of the genocide of the endemic Serbs in Kosovo (yes, Albanians were largely invited to settle in Kosovo by Tito, while for the Serbs Kosovo was a native land for centuries) means BBC has done its job as a propaganda loudspeaker. So I wrote up a post debunking this theory. Don’t worry: Aluminum grinders are safe. Water is provided in a 16-ounce deli cup, and we often use 4" diameter PVC pipe sections for cup holders to reduce the chance of spills if a snake decides to soak. He says useing 4 inch plastic pipe on a dust collection system of 3 hp or less does not pose any risk of explosion. In other words, it is made out of a combination of plastic and vinyl. List of MAC 1,242 Followers, 307 Following, 13 Posts - See Instagram photos and videos from abdou now online (@abdoualittlebit) The myth has been debunked, and unfortunately for early 21st celebrators, the festivities cannot begin until the clock strikes midnight. A: On February 4, 2013, we published a proposed rule to list a distinct population segment of the North American wolverine found in the contiguous United States as threatened. On World Honey Bee Day lets take a look at where bees are currently. I shattered my wife's windshield today, I was trying to fit a shit ton of 8' PVC pipe in the back because my friend was buying it to make my daughter a soccer net. He says useing 4 inch plastic pipe on a dust collection system of 3 hp or less does not pose any risk of explosion. Density: PVC is very dense compared to most plastics (specific gravity around 1.4) Economics: PVC is readily available and cheap. As cleanup of these mining sites begins, experts argue that global companies that have benefited from access to these metals should help foot the bill. Line up the pool noodle on the wall so that at least two of the slits sit over studs. Prolonged exposure of PVC pipes to direct sunlight may cause a thin film of degradation on the exposed surface of the pipe over time. In other words, the weight difference between a 50-ft. piece of Corzan pipe and steel pipe is approximately 1,150 lbs. Dr Cole says that "it is very close to impossible" regarding the possibility of ignition of dust in a 4" PVC pipe. Polyvinyl chloride is considered as one of the versatile thermoplastic material and third most widely synthesized polymer.PVC is considered as soph... In general, plastic pipe doesn’t rust or corrode, is light in weight, easy to cut and easy to join – no welding required. PVC Fittings and Benefits of PVC Pipe Fittings; All About Seed Colorants – Why Shade Your Seed? The words.txt is the original word list and the words.brf is the converted file from … How to build a catio with PVC. That’s 5,250,000 k, Wh each year for the whole network. Original air date: February 9, 2005. This is the most common form of radon abatement, and utilizes a fan and a PVC pipe to draw in air below the basement floor and then repels it through the roof. The … The Vinyl Debate, 7 Myths About PVC – Debunked. It can transport liquids of all kinds, as it is highly corrosion-resistant. Others claim you can ground PVC, thus ensuring its safety. One possible issue with using PVC or CPVC for potable water is cleanliness. The manufacture of PVC produces environmental pollutants including vinyl chloride, ethylene dichloride, mercury, dioxins … ), formally known as PET. It’s about 57-60% chlorine by weight. Pipes have been made of many materials over the years including copper, iron, aluminum, clay, and even wood! 100k Terms - Free ebook download as Text File (.txt), PDF File (.pdf) or read book online for free. Dangerous fumes, heavy pollutant). The Flow Hive is not as sweet as it seems. So according to state law, a person whose birthday is on March 13 can legally enter a bar and consume alcohol at midnight that morning, but cannot do so up to 11:59 p.m. on March 12. The manufacture and disposal of PVC creates potent environmental toxins. All classifieds - Veux-Veux-Pas, free classified ads Website. ... Soundproofing Debunked & Defined . The lack of build-up in PVC piping improves functionality and increases energy efficiency. What An Eye Opener! Currently, the EPA recommends an action level of 4 picoCuries per liter (pCi/L). Q: Why is the U.S. A power vented water heater has a fan on the top of the tank that pulls the combustion gas out of the tank and vents it through a PVC pipe that goes outside. CPVC applications include water … If I go with PVC it will be 4" pipe.. If PVC is not properly installed, it can fail — and when that happens, major damage can take place. HDPE pipe sections are often ‘butt fused,’ connected end-to-end by thermal fusion techniques. Learn the cost advantages of fabricated V-Grooved Stone Wool over traditional fabricated pipe insulations. I read Rod Cole's article PVC pipe dangers debunked in FWW#153. It didn't fit in his MK7 so he called me to come to Lowes with her car She drives a Nissan Rogue which is the most boring vehicle under the sun. I would wrap copper wire around it and ground it. It solely gets a problem if the total amount gets too much from one or a variety of sources.Nonetheless, there is biomechanically no way you can’t squat deep, comfortably, without getting your knees beyond your toes. We’ll debunk some of the most common plumbing repair myths out there: Myth #1: Lemons clean garbage … You aren't moving the volume of air nor dust in a home shop to have an explosion. Use a utility knife to cut slits in the foam noodle, spacing them 4 in. PVC AND FIRE FLAMMABILITY Once a material has been ignited, the associated hazard will be related directly to its flammability. How Non-fungible Tokens Work: Nfts Explained, Debunked … Excess water in your basement is dangerous as it may lead to home damage and perish your property, belongings, and appliances. There are two main types of mitigation systems that are installed, Internal and External. Water Pipes. Often, this common symptom is due to an abnormal heart rhythm or arrhythmia. Sharp points will tend to concentrate electric fields and might cause an … Jan 27 – Feb 9¸ 2004 – Band Saw Won’t Cut Straight Production of PVC pipes creates dangerous and toxic components like dioxins and other toxics that is found as cancer clusters. Also, PVC contains c... Returning to Extra Pure, Organic Expertise in Farming; Natural Cotton – Am I Bothered? In the early 1990s, Greenpeace launched a campaign cataloguing the negative environmental impacts of halogens and chlorine-based industries, focusing first on pulp and paper processing and then on PVC (EBN’s oft-cited 1994 article “Should We Phase Out PVC?” was part of that era). If anyone was ignoring data, it wouldn't be me. Give the formula 10 minutes – the baking soda and the hot water will work together to unclog the drain. Polyvinyl chloride secures pieces of pipe quickly in a process called solvent welding. Nov 17, 2021 Updated Nov 17, 2021. Is PVC Safe? I filled the jar up with our lemon juice, dropped in the screw and walked away. Shop Accessories Woodworking Benches Vises Are a Woodworkers Third Hand A Woodworkers Apron Not Your Fathers Pegboard Credits Index : Intro Savage Love. Olympic weightlifting coaches use the overhead squat as a teaching progression for novice athletes. Supported by RadonAway® and AccuStar® Labs, Spruce Radon Training provides classroom and web-based radon training courses for certification and continuing education. The package did not detonate on its own, the law enforcement source said. You'd have to ground almost every square inch of the pipe to have any real effect. Boil a pot of hot water, 2 cups should do it. Be careful around those loons. Answer (1 of 3): Yes! When I fart, it sounds like someone blowing air through a 1" PVC pipe. It, too, can impart a plastic taste to water that goes away with time, but since it isn’t glued together, there are fewer toxic solvents used in installing it. However, while leaving the bottle in the sun may change the color, taste or smell of the water, it won't cause dangerous chemicals to leach into the water, the Centre for Food Safety in Hong Kong states. * - Main goods are marked with red color . Pipe-in-pipe systems are now commonly used to distribute water in many homes. Soros was not at his estate at the time, two law enforcement sources said. This analysis shows how the cost savings can be substantial. If it's a special wire or size? For Certification and Continuing Education Credits. Sump Pump Systems for Radon Mitigation. PVC Pipe Dangers Debunked. is the thickness of the PVC pipe wall. Besides, study after study after study is reporting that there is no harm associated with PVC exposure anyway- not all the data is on your side, in fact, most of it is not. In Eth2, that same variety of transactions would cost 17 – How to Build a Nft Hydroponic System Out of 4in Pvc Pipe. Many claim that sparks in PVC pipe due to static electricity may ignite the dust cloud in the pipe. Well, on the contrary, according to Julie Casper, copper is an element that is essential for our enzyme systems. The Truth About Aluminum Grinders. Here you will find a brief history of technology. PVC Pipe Dangers Debunked. Corrosion often precedes pipe leaks but corrosion can come about from clogs that result in water standing in pipes for a long time. PVC breakage rates are as low as one percent of the breakage rates of cast metal systems. Others claim you can ground PVC, thus ensuring its safety. Dimensions, pressure capacity, and stiffness are all affected by temperature changes. These concerns, which appear to be logical on the surface, do not carry any legitimate weight. Plastic, in the form of polyvinyl (PVC) pipe, is a relatively new addition to the mix. Ductile iron or PVC pipe traditionally uses ‘bell-and-spigot’ joints to latch each pipe to the next. The specter of a giant fireball consuming a shop and home is repeatedly raised. We can use this to compare Eth2 to a global service like Visa. The arrhythmias that cause palpitations range from common and benign to rare and lethal, and since most … I found a stainless steel screw, bought a bottle of lemon juice and glass jar. SCH or Sch.) Polyvinyl Chloride Pipes. Your intrepid mod, reporting live from the Kraken’s Den in Alpharetta GA. Oh wow. Polyvinyl Chloride is extremely toxic ans uaually what kills most house fire victims first in modern homes. (so ive heard) Pressure problems and i... Neither do food-grade waxes of any kind cause cancer. I have that issue and can scan it if needed--as long as it doesn't violate some copyright. According to a new U.S. Department of Agriculture study, honey bee populations are on a three percent rise, so far, in 2017.Additionally, Colony Collapse Disorder is down 27 percent compared to numbers in 2016. In this bulletin we will explore the effects of temperature on PVC pipe. 1 of 4. August 20, 2021. Chlorinated polyvinyl chloride, commonly referred to as “CPVC,” is a thermoplastic used to produce pipes and related fittings. In fact, we would like to point out that many natural health stores and “experts” are advocating the use of natural waxes, as opposed to “chemicals” in baking, etc. Businesses love shift work because it reduces time (and money) lost to powering machinery up and down. I started in the swimming pool trade when PVC pipe first started to replace copper pipe, about 50 years ago. In those days Sch. 40 PVC was gray. It... It's easy to use, no lengthy sign-ups, and 100% free! 1 week ago This item DWV PVC Pipe to 4-Inch Port Dust Collection Adapter Fitting. Myth #4 PVC can’t be recycled and is a significant contributor to the global accumulation of plastic waste. PVC Schedule (abbrev. Finewoodworking.com DA: 23 PA: 37 MOZ Rank: 68. China has been a major source of rare earth metals used in high-tech products, from smartphones to wind turbines. It can also counts the total number of words in a sentence, checks if a word is a palindrome and can generate a new sentence with almost the same meaning using synonyms … [liblouis-liblouisxml] Re: List of UEB words. debated. Bless you for sacrificing your brain cells. The inner pipe for drinking water is made of a plastic called cross-linked polyethylene. I have a deluxe membership so I can read back issues, but the findings are based on scientific literature from the Journal of Electrostatics where experiements and various tests have been performed. I know that pvc in water pipe has some disadvantage one is cannot handle hot water temps without breaking down. It's kissing cousin CPVC can though... PVC helps conserve energy and water by creating virtually leak-free pipes that are not prone to corrosion and resist environmental stress. to wear away, to scrape away by friction or erosion Ex) Arranged in waves and partly abraded, white PVC pipes suggest both bamboo and pipe organs. dict_files/eng_com.dic This class can parse, analyze words and interprets sentences. The system consists of a network of fans and pvc pipe to help vent the Radon safely out of the home. PVC pipe has been approved for use in both fresh and wastewater applications, and is also used in exhaust applications for high-efficiency furnaces. PVC would be cheaper and I would think would provide a better sealed system. Pour a half cup of baking soda down the drain. No sign of corrosion. The overhead squat is used to strengthen the bottom position of a barbell snatch. A centrifugal fan capable of developing high static pressure is mounted at the exhaust (outside the shell of the structure) to depressurize the slab. It's very hard to use a bomb as a weapon. Bedford police say they received a call about 3:45 p.m. Monday reporting a suspicious package found in a mailbox. 4k, Wh of energy or 11% of the overall energy. If it's just a matter of running a small metal wire through the PVC that wouldn't be expensive. Seriously though, be careful. Services of language translation the ... An announcement must be commercial character Goods and services advancement through P.O.Box sys Many claim that sparks in PVC pipe due to static electricity may ignite the dust cloud in the pipe. debated. For those concerned with the effects of PVC, here is a couple articles with both the pros and cons of using PVC products. One of the sources described the package as small and said it consisted of a PVC pipe with an "energetic" material and a powdery substance. We would like to show you a description here but the site won’t allow us. If you have many products or ads, create your own online store (e-commerce shop) and conveniently group all your classified ads in your shop! UGSI is the only producer of Fusible PVC pipe, where thermal fusion eliminates the need for bell-and-spigot junctures. Heroes and Villains - A little light reading. 4k, Wh of energy or 11% of the total energy. Since the recent boom in CrossFit, the use of the overhead… The most common Schedule is 40, but Schedule 80 PVC is also available. Preview - PVC Pipe Dangers Debunked - Fine Woodworking Article This is a sample of the article--for the whole thing online you have to pay. The primary issue is whether PVC pipe is safe for use as ductwork. PVC pipes are rigid and are usually white, cream or grey in color. Have the gate closed while doing this so you don't encroach upon the blade path. Workers typically labor in eight-hour shifts: 8:00 a.m. to 4:00 p.m., 4:00 p.m. to midnight, and midnight to 8:00 a.m., or the like. All pipes transporting potable water should be cleaned thoroughly before installation. The specter of a giant fireball consuming a shop and home is repeatedly raised. Materials Used. Although that charge can shock you, the experts say it is not ample to cause an explosion in hobbyist based systems. I'm looking at the HF DC with the Oneida 5" Super Dust Deputy. by Dan Savage September 17, 1998. Adapts 4" PVC Sewer and Drain Pipe to 4" Dust Collection Hose. Clogged Pipes and Corrosion. The PVC catio, or PVC cat enclosure, is made out of PVC pipes and plastic garden fencing. Most PVC pipe failures can be prevented through proper installation. One of the sources described the package as small and said it consisted of a PVC pipe with an "energetic" material and a powdery substance. Nov 17, 2021. PEX tubing, PVC pipe, and CPVC pipe marked “NSF-61” or “NSF-PW” indicate that they have passed testing for potentially harmful chemicals leaching into the water. According to Bill Walsh, executive director of the Healthy Building Network, “The bond between … Installation issues. | If a plumbing system is not properly planned, underground pipes can fail no matter what material they’re made of — this is especially the case when solvent cement is used to bond PVC to its fittings. PVC is extremely porous, and can break down when too much cement is applied. Feedstock for PVC comes from oil refinery byproducts and mined salts. Mobile Machines and Shop Equipment Basement Shop on Wheels Section 7. TRUTH: Just like anything, ... pick up a broomstick or PVC pipe and try it. Myth 4 /// Olympic Lifting Is Dangerous. If it seems like something you'd like to get better at, find a coach or ask someone more experienced for help. If this is the case, your Benjamin Franklin Plumber can quickly identify this dangerous health issue, and the underlying cause, whether in your own plumbing system or a city sewer system. The last blog I asked if you would look at how individuals were communicating with each other. All you need is a length of 3-in.-diameter PVC pipe and a foam swimming pool noodle for this DIY garage storage system. The problems with CPVC pipes can range from: Turning off the valve by the toilet and having it snap off in the wall. Polyvinyl Chloride Pipes (PVC) pipes won’t rust, corrode, or degrade over time, are excellent for sink, toilet, and bathtub drain lines or vent stacks, can readily handle high water pressure, and are inexpensive and easy to work with. Enzyme systems are credited for various metabolic processes that are crucial to the sustenance of life (Casper, 2017). The SSD technique involves penetrating the slab with a 7cm to 20cm inside diameter PVC pipe and running the pipe up through the structure and exhausting to above the roof line. 100,000 Visa deals uses 149k, Wh of energy. A basement flood repair or remediation can cost you nearly $20,000 in damages. List of Amc - Free ebook download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read book online for free. Hydrogen’s story goes back 13.7 billion years, to a time when the Universe was new-born, and very hot. Can Crops Die If … I’m thinking of using 6 inch plastic sewer and drain pipe for the main along with an Onieda 2 hp Dust Gorilla. Nostalgia? plastic duct is unlikely to cause a static-induced blast in a home shop By Rod Cole from issue #153–Tools & Shops 2002 Issue. PVC cement (glue) and primer is used to soften pipes and weld pieces of plumbing together. For an instructor it is very important to distinguish between the styles of learners and how to adapt to those different styles in the way we teach. Economical, versatile polyvinyl chloride (PVC, or vinyl) is used in a variety of applications in the building and construction, health care, electronics, automobile and other sectors, in products ranging from piping and siding, blood bags and tubing, to wire and cable insulation, windshield system components and more. Still, citing an article by Dr. Rod Cole entitled “PVC Pipe Dangers Debunked” in Fine Woodworking #153, Dale admits there is a higher risk of an explosion in a collection barrel than in the dust collection pipes in a home shop. We can utilize this to compare Eth2 to a global service like Visa. Ttp materials are in line with international certification. The raw materials used are green and environmentally friendly materials, which are the... This material is considered safe for planters. Advantages and disadvantages of poly vinyl chloride (pvc) pipes are Advantages 1. Durability - does not rust.lasts longer then metallic pipes in is... Pour the boiled water down the drain. For example, a 1 inch PVC Pipe is actually 1.315 inches in outside diameter, and 1.029 inches in inside diameter. As others have said glass is a great electrical insulator. You may have viewed some basic plumbing and home maintenance tutorials on YouTube or Google. Come and visit our site, already thousands of classified ads await you ... What are you waiting for? This microscopic layer, with a thickness of about 0.05 mm, will gradually become visible as discolouration (so called bleaching) and it stops once the surface exposure ceases. I cut 2.5" long PVC pipe to caulk into each side of the gate. Even grounding PVC is a waste of time, because the static is localized. Ex2) Nearly two dozen of the photographs in the exhibition are vintage prints; another 58 are newly printed from negatives abraded and speckled by time. Few products are more readily recyclable than PVC; in fact, PVC can be recycled many times over without degrading Also the 4:1 ration resulted in a mix that never cured hard enough to support itself. An emerging toxic plastic of concern, polyvinyl chloride (PVC or vinyl), is used widespread in schools across the nation. in the PVC pipe. Additionally, it may allow poisonous gases to leak into your home’s indoors. I'm not 'ignoring the increasing data against PVC', I'm reading it and debunking it, because it's easily debunked. A fan is also installed at the top of the PVC pipe where the gas is vented out to ensure that the gas is pushed away from the home. The arrow symbols on the bottom of the container encircle a number 1-7. So I can handle being around these knuckleheads. My second attempt to build this, I used a cardboard 4" tube, so it could be burned out - instead of removed (don't burn PVC pipe! Mopping your floor and hitting the connection, causing it to snap. First the primer is applied and then the cement to join the pipes. If you feel your heart flip-flopping, then you are experiencing palpitations: a sensation that the heart is racing, fluttering, pounding, skipping beats or beating irregularly. holes spaced every 4 in. PVC Pipe sizes are different than the size the pipe is called. After inserting the PVC pipe, ensure the blade operates and wipe away any excess caulk. I prefer dangerous freedom over peaceful slavery ... IMHO, Trump needs to forego blowing his own horn and concentrate on positions Biden has taken that are easily debunked as lunacy...which is most of it. PVC Pipe Dangers Debunked. Soros was not at his estate at the time, two law enforcement sources said. When installing PVC panels inside the residential or commercial space, a lot of factors arise based on safety. Although they are excellent washable... As mentioned in prior post, I’ve been in Iraq, Afghanistan, Colombia, Liberia, and West Baltimore. Strength: Rigid PVC has excellent tensile strength. PVC piping is a good, low-cost choice for many plumbing projects. The pipe and end caps of a pipe bomb provide both the pressure to direct and the shrapnel to do damage. The package did not detonate on its own, the law enforcement source said. Here's why: Metal shavings are rare. Webmasters, you … Drill 1-in. Share this: Hey, Faggot: I’m writing in response to your column … Polyvinyl chloride, the main ingredient of PVC pipe, is classified as a known human carcinogen. Most of the information presented may seem helpful, but they might be plumbing myths, and believing them can be dangerous. Then the gas is vented through the pipe and out of the home. Smoking the aluminum shavings is unsafe and dangerous for your health. Debunking the Myths . The primary issue is whether PVC pipe is safe for use as ductwork. There is some concern about the leaching of chemicals that can give water a plastic taste, though the taste usually improves after a few months. Safety issues are mainly considered a concern in PVC pipe that was manufactured before 1977. In times of labor shortages, they can even be forced to work double shifts, 16 hours in total. ' '' ''' - -- --- ---- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- CPVC weighs 1/6th that of comparably sized steel. Shop Safety Woodworkers First Aid Protect Your Hearing in the Shop Pain-Free Woodworking 6. A dictionary file. Even when using aspen substrate, water cups of this capacity provide plenty of humidity within the individual tubs. PVC – the Poison Plastic. PVC piping is inexpensive, versatile, and strong, considering how much it costs. One of those jobs is compressed air. How to Build the Ultimate Bodyweight Gym (Using Only PVC Pipe) | The Art of Manliness Lulu DK "Blue Lagoon" Metallic Tattoos – Bikini Luxe Download Learn and Master Drums (12 DVDs, 5 CDs and Lesson Book) DVDRip Torrent - KickassTorrents apart. Worry more about sucking up screws and such that might hit the impellers. Their biggest drawback is that they can only be used for cold water. A 6-in., schedule 80 Corzan pipe weighs about 6 lbs./ft., whereas the equivalent steel pipe can weigh between 25 and 29 lbs./ft. Polyvinyl chloride, more commonly known as PVC, has become a popular choice for plumbing pipes in recent years. One of the most reliable quantitative small-scale flammability tests is the Limiting Oxygen Index test, which measures the Slap every trainer with the PVC-Pipe they put in front of your knees, to hammer this dogma into you, with it. 3. A major concern related to pipes and fittings is the potential for damage when they fail and leak. Chlorinated polyvinyl chloride, commonly referred to as “CPVC,” is a thermoplastic used to produce pipes and related fittings. Those living in older homes should have their water tested to see if lead is a problem. Plastic pipe such as PVC (polyvinyl chloride, used for cold water only), and CPVC (chlorinated polyvinyl chloride, used for both hot and cold water) have been around for years, and both are approved for use with drinking water. Fish and Wildlife Service announcing this withdrawal today? Metal shavings are so infrequent, this concern is a non-issue. Big Horn 11426 4-Inch PVC Pipe Adapter. How a right-wing provocateur is using race to reach Gen Z. PVC Pipe Dangers Debunked 5. In this episode, Adam and Jamie competed in a series of arguably ludicrous tests and competitions to determine which of the two was the "Ultimate MythBuster". cases in which PVC combusts, any dioxin emissions would result from how PVC is burned; not all combusting PVC is a dioxin risk. No other plastic contains or releases as many dangerous chemicals. One of the sources described the package as small and said it consisted of a PVC pipe with an "energetic" material and a powdery substance. The Bad. Stabilizers and plasticizers used in PVC production may contain lead or other heavy metals, and during incineration—a common form of disposal—hydrochloric acid is released. This material is a thermoplastic polymer. This is as true with PVC as it is with any other type of pipe. The system is usually installed in the lowest level of the house, but location is ultimately determined based on the layout of the property. As with a standard water heater, most tanks come with a 6 year warranty but an option of up to … You might surprise yourself. Benefits of Plastic Pipe. Despite how much it can do, there are certain jobs that PVC pipe just can\\'t handle. By THOMAS BEAUMONT Associated Press. 6 inch plastic pipe for dust collection. VC is the most toxic plastic for our health and environment. Page 1 of 2 - Stacking fireworks - posted in Pyrotechnics: I am planning on doing a very small show (3 - 4 shells) but I only have one mortar, and I don't want to be reloading it due to speed. Nylock Nut: What Ought to You Know? As the schedule gets larger the pipe wall gets thicker from the outside in, so the inside hole (bore) of the pipe gets smaller. Even after 5 weeks of slowly drying in a trash bag, the mix came out fragile and easily crumbled. It it possible to stack 2.5" canister shells on top of each other, maybe with cardboard shock resistors in between, and would it cause any damage to the shell underneath. POWERTEC 70125 4-Inch Pipe Hose Adapter - ABS Plastic Quick Coupler for Workshop Dust Collection Fittings, Black.