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About Duct Connections
More
About Plastic
More
Ready-to-Connect Ceiling Diffusers
Diffusers come with a collar and damper already in place for simple installation. They evenly disperse airflow into a room to maintain a consistent temperature throughout the space. Collar is adjustable to fit a range of duct sizes.
Made of plastic, these diffusers are impact, abrasion, and chemical resistant.
Air Diverters
Guide air toward your workspace or deflect unwanted drafts with these diverters and covers. They fit over HVAC vents, diffusers, and registers to direct hot and cold air.
Diverters direct air without restricting flow. Slide-in-mount diverters fit between your diffuser and a drop ceiling grid.
Adhesive-mount diverters stick under furniture and have an adjustable length to fit different sizes of furniture. Use the included clips to hold them together when they’re extended.
Magnet-mount diverters attach to metal registers on your wall, baseboard, and floor with the included magnets. For some, you can use screws (not included) to mount them to plastic and wood vents. All have adjustable width to fit a variety of vent sizes. Made of polycarbonate, they’re durable and resist cracking. Diverters with a removable filter trap dust, pollen, and lint.
| Ht. | Wd. | Dp. | Material | Color | Mounting Fasteners Included | Mounting Slot Wd. | Each | |
Magnet or Screw Mount | ||||||||
|---|---|---|---|---|---|---|---|---|
| 5 1/2" | 11"-18" | 3" | Polycarbonate Plastic | Clear | No | 1/8" | 0000000 | 000000 |
| Ht. | Wd. | Lg. | Material | Color | Each | |
Adhesive Mount | ||||||
|---|---|---|---|---|---|---|
| 1 1/4" | 11 1/4" | 20"-35" | PVC Plastic | Clear | 0000000 | 000000 |
| Ht. | Wd. | Dp. | Material | Color | Each | |
Magnet Mount | ||||||
|---|---|---|---|---|---|---|
| 4 1/2" | 15"-25" | 3 1/4" | Polycarbonate Plastic | Clear | 0000000 | 000000 |
Chemical-Resistant Duct and Fittings
Made of PVC plastic to withstand acids, alkalies, salts, and other corrosive vapors and fumes. Use PVC pipe cement (not included) to secure components. Fittings have female ends with a slightly larger diameter to press-fit over duct.
For technical drawings and 3-D models, click on a part number.
Porous PTFE Adhesive-Back Discs
- Color: White
- Maximum Temperature: 250° F
Stick these discs onto breather and other circular vents to guard against water and dirt without obstructing flow. Often used in the electronic and automotive industries, they have very small holes so air, gas, and vapor can still pass through. These discs are made of PTFE to wick water away. They also won’t break down from most chemicals, except alkali metal and high-temperature fluorinated agents.
IP rated except for their adhesive, all seal out dust and stand up to some submersion. IP65-rated discs also handle low-pressure washdowns, while IP66-rated discs withstand high-pressure washdowns.
Adhesive | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thickness | Overall Thickness | Removes Particle Size Down To, microns | Airflow @ Surface Area | ID | Location | Type | Thickness | Environmental Rating | Pkg. Qty. | Pkg. | |
Small Pack | |||||||||||
1/2" Diameter | |||||||||||
| 0.007" | 0.015" | 0.4 | 3.8 cfm @ 1 sq. in. | 9/32" | Edge | Acrylic | 0.008" | IP67 | 50 | 0000000 | 000000 |
| 0.01" | 0.018" | 0.1 | 0.2 cfm @ 1 sq. in. | 9/32" | Edge | Acrylic | 0.008" | IP66, IP68 | 50 | 0000000 | 00000 |
| 0.01" | 0.018" | 0.1 | 1.8 cfm @ 1 sq. in. | 9/32" | Edge | Acrylic | 0.008" | IP65, IP68 | 50 | 0000000 | 00000 |
Large Pack | |||||||||||
1/2" Diameter | |||||||||||
| 0.007" | 0.015" | 0.4 | 3.8 cfm @ 1 sq. in. | 9/32" | Edge | Acrylic | 0.008" | IP67 | 100 | 0000000 | 00000 |
| 0.01" | 0.018" | 0.1 | 0.2 cfm @ 1 sq. in. | 9/32" | Edge | Acrylic | 0.008" | IP66, IP68 | 100 | 0000000 | 000000 |
| 0.01" | 0.018" | 0.1 | 1.8 cfm @ 1 sq. in. | 9/32" | Edge | Acrylic | 0.008" | IP65, IP68 | 100 | 0000000 | 00000 |
Porous PTFE Film
- Color: White
- Maximum Temperature: 500° F
- Specifications Met: UL 746C, UL 94 V-0
Shield vents on electronic and automotive equipment, such as cell phone microphones, from water, dirt, and debris without blocking them entirely. This film has tiny holes to let air, gas, and vapors pass through. Because it’s made of PTFE, it wicks away water. It also won’t react with most chemicals, though it can break down from alkali metal and high-temperature fluorinated agents. IP rated, this film stands up to dust, weather, washdowns, and even brief submersion.
For technical drawings and 3-D models, click on a part number.
Snap-In Breather Vents
These vents have louvers with foam filters to keep out dust and liquids. Use them to maintain consistent pressure as temperatures fluctuate by allowing air to flow through sealed enclosures.
For Knockout | ||||||||
|---|---|---|---|---|---|---|---|---|
| Trade Size | Dia. | Head Dia. | For Max. Panel Thick. | Material | Color | Specifications Met | Each | |
| __ | 1" | 1 1/4" | 1/8" | Nylon Plastic | Black | UL 94 V-2 | 0000000 | 00000 |
| __ | 1 1/2" | 1 11/16" | 1/8" | Nylon Plastic | Black | UL 94 V-2 | 000000 | 0000 |
| 1/2 | 7/8" | 1" | 1/8" | Nylon Plastic | Black | UL 94 V-2 | 000000 | 0000 |
| 3/4 | 1 1/8" | 1 1/4" | 1/8" | Nylon Plastic | Black | UL 94 V-2 | 000000 | 0000 |
| 1 | 1 3/8" | 1 1/2" | 1/8" | Nylon Plastic | Black | UL 94 V-2 | 000000 | 0000 |
| 1 1/2 | 2" | 2 3/16" | 1/8" | Nylon Plastic | Black | UL 94 V-2 | 0000000 | 0000 |
| 2 | 2 1/2" | 2 3/4" | 1/4" | Nylon Plastic | Black | UL 94 V-2 | 0000000 | 00000 |
| 2 1/2 | 3" | 3 3/16" | 1/4" | Nylon Plastic | Black | UL 94 V-2 | 0000000 | 00000 |
Submersible Threaded Breather Vents
Use these vents to maintain consistent pressure as temperatures fluctuate by allowing air to flow through sealed enclosures. All have a hydrophobic and oleophobic filter membrane that blocks moisture and contamination from particle buildup.
Nylon vents don’t conduct electricity, making them a good choice for most environments.
Polycarbonate vents don’t conduct electricity and withstand UV rays better than nylon vents, so they won’t break down as quickly in outdoor applications. All have a mounting nut for a secure connection in threaded as well as through holes.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Thread Size | Thread Pitch, mm | For Hole Dia. | Head Dia. | Environment | Environmental Rating | Specifications Met | Color | Features | Each | |
NPT | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Nylon Plastic | |||||||||||
| 1/4 | __ | __ | 9/16" | 11/16" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 0000000 | 00000 |
| 3/8 | __ | __ | 11/16" | 7/8" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 000000 | 0000 |
| 1/2 | __ | __ | 7/8" | 1 1/16" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 00000000 | 0000 |
| 3/4 | __ | __ | 1 1/16" | 1 7/16" | Corrosive, Damp, Dusty, Outdoor, Washdown | IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 00000000 | 0000 |
Metric | |||||||||||
Nylon Plastic | |||||||||||
| __ | M12 | 1.5 | 1/2" | 11/16" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 00000000 | 0000 |
| __ | M16 | 1.5 | 5/8" | 7/8" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 0000000 | 0000 |
| __ | M20 | 1.5 | 13/16" | 1 1/16" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 0000000 | 0000 |
Polycarbonate Plastic | |||||||||||
| __ | M5 | 0.8 | 3/16" | 1/2" | Dusty, Submersible | IP67 | __ | Black | Gasket, Mounting Nut | 0000000 | 0000 |
| __ | M6 | 1 | 1/4" | 1/2" | Dusty, Submersible | IP67 | __ | Black | Gasket, Mounting Nut | 0000000 | 0000 |
| __ | M8 | 1 | 5/16" | 9/16" | Dusty, Submersible | IP67 | __ | Black | Gasket, Mounting Nut | 0000000 | 00000 |
| __ | M10 | 1 | 3/8" | 9/16" | Dusty, Submersible | IP67 | __ | Black | Gasket, Mounting Nut | 0000000 | 00000 |
| __ | M12 | 1.5 | 1/2" | 11/16" | Dusty, Submersible | IP67 | __ | Black | Gasket, Mounting Nut | 0000000 | 00000 |
| __ | M16 | 1.5 | 5/8" | 15/16" | Dusty, Submersible | IP67 | __ | Black | Gasket, Mounting Nut | 0000000 | 00000 |
| __ | M18 | 1.5 | 11/16" | 15/16" | Dusty, Submersible | IP67 | __ | Black | Gasket, Mounting Nut | 0000000 | 00000 |
| __ | M32 | 1.5 | 1 1/4" | 2 15/16" | Dusty, Submersible | IP67 | __ | Black | Gasket, Mounting Nut | 0000000 | 00000 |
PG | |||||||||||
Nylon Plastic | |||||||||||
| __ | PG-7 | __ | 1/2" | 3/4" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 00000000 | 0000 |
| __ | PG-9 | __ | 1/2" | 7/8" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 00000000 | 0000 |
| __ | PG-13.5 | __ | 5/8" | 1 1/8" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 00000000 | 0000 |
| __ | PG-21 | __ | 3/4" | 1 7/16" | Corrosive, Damp, Dusty, Outdoor, Submersible, Washdown | IP68, IP65, NEMA 4X | UL 94 V-2, UL Recognized Component | Gray | Gasket | 00000000 | 0000 |
Wet Location Breather Vents
These vents maintain air pressure inside enclosures that may be exposed to indoor and outdoor temperature changes while keeping dust and water out. They have a PTFE seal that stands up to oil and corrosion and allows airflow in, reducing the risk of the seal failing due to changes in air pressure. They also minimize condensation that may rust internal electronic components. Made of polycarbonate, these vents withstand corrosion and UV rays.
For technical drawings and 3-D models, click on a part number.
Corrosion-Resistant Washdown Threaded Breather Vents
Rated NEMA 4X, these vents provide protection from washdowns, corrosion, and power jets of water. Use them to maintain consistent pressure as temperatures fluctuate by allowing air to flow through sealed enclosures.
For technical drawings and 3-D models, click on a part number.
Submersible Snap-In Breather Vents
No threaded hole or tools needed—snap these vents into enclosures with a maximum 1/8” panel thickness to let airflow in and keep water out even when submerged. Use them to maintain consistent pressure inside your enclosure as temperatures change. These vents have a pressure compensating seal that prevents pressure buildup. They also have an acrylic filter that resists dust, water, and oil.
For technical drawings and 3-D models, click on a part number.
| For Hole Diameter | Head Diameter | For Maximum Panel Thickness | Temperature Range, °F | Environmental Rating | Material | Specifications Met | Color | Each | |
| 1/2" | 1/2" | 1/8" | -40° to 220° | NEMA 4X; IP68 | Nylon Plastic | UL Recognized Component | Black | 00000000 | 00000 |
| 7/8" | 7/8" | 1/8" | -40° to 220° | NEMA 4X; IP68 | Nylon Plastic | UL Recognized Component | Black | 00000000 | 0000 |
| 1 1/8" | 1 1/8" | 1/8" | -40° to 220° | NEMA 4X; IP68 | Nylon Plastic | UL Recognized Component | Black | 00000000 | 0000 |
Enclosure Vents
Attach these vents to the top or side of sealed enclosures, so air can flow through to equalize internal and external temperature and pressure.
Style A and B vents have an angled outlet, which helps keep rain, snow, and debris from entering the vent and the enclosure.
Style C vents have mounting holes for attaching a fan (not included), so you can increase the amount of air that flows through your enclosure.
Style D vents are protected from rain and water, so you can use them in washdown and other wet environments.
For technical drawings and 3-D models, click on a part number.
| For Hole Diameter | For Maximum Panel Thickness | Height | Width | Depth | Material | Gasket Material | Mounting Orientation | Color | Specifications Met | Features | Each | |
| 21/32" | 0.05" | 2 1/32" | 15/16" | 1 1/2" | ABS Plastic | Buna-N Rubber | Top, Side | Gray | UL 94 HB | Angled Outlet, Gasket | 0000000 | 00000 |
| For Hole Diameter | For Maximum Panel Thickness | Height | Width | Depth | Material | Gasket Material | Mounting Orientation | Color | Specifications Met | Features | Each | |
| 21/32" | 0.05" | 1 21/32" | 1" | 1 1/8" | ABS Plastic | Buna-N Rubber | Top, Side | Gray | UL 94 HB | Angled Outlet, Gasket | 0000000 | 00000 |
| For Hole Diameter | For Maximum Panel Thickness, mm | Height | Width | Depth | Material | Gasket Material | Mounting Orientation | Mounting Hardware Included | Mounting Hole Diameter, mm | Color | Specifications Met | Features | Each | |
| 2 15/32" | 3 | 2 29/32" | 2 3/4" | 2" | Polycarbonate Plastic | Buna-N Rubber | Side | No | 3.8 | Gray | UL 94 V-0 | Gasket | 0000000 | 00000 |
| 3 7/16" | 3 | 3 15/16" | 3 3/4" | 1 1/2" | Polycarbonate Plastic | Buna-N Rubber | Side | No | 3.8 | Gray | UL 94 V-0 | Gasket | 0000000 | 0000 |
| For Knockout Trade Size | Thread Type | Thread Size | For Hole Diameter | Head Diameter | For Maximum Panel Thickness | Environment | Environmental Rating | Material | Gasket Material | Mounting Orientation | Color | Specifications Met | Features | Each | |
| PG-29 | PG | PG-29 | 1 7/16" | 2 5/8" | 0.394" | Damp, Washdown | IP45 | Polycarbonate Plastic | Buna-N Rubber | Side | Gray | UL 746C f1, UL 94 V-0 | Gasket | 0000000 | 000000 |
Enclosure Drains
Mount these drains at the bottom of your enclosure to let moisture drip out and keep electronics dry.
Style A drains have a gasket that seals out air, water, and dust during high-pressure washdowns or when submerged. They also meet UL 94 V-0 for flame retardance.
Style B drains are for use in dusty and wet environments.
| Thread Size | Thread Pitch, mm | For Hole Diameter | Head Diameter | For Maximum Panel Thickness | Environmental Rating | Environment | Material | Specifications Met | Each | ||
| A | M50 | 1.5 | 2" | 2 3/8" | 3/16" | IP66, IP67, IP69K | Damp, Dusty, Washdown, High-Pressure Washdown, Outdoor, Submersible, Wet Location | Plastic | UL 746C f1, UL 94 V-0 | 0000000 | 000000 |
| B | M3 | 0.5 | 5/8" | 15/16" | 0.079" | IP55 | Damp, Dusty, Washdown | Plastic | __ | 00000000 | 0000 |
Vented Plastic Submersible Cord Grips
Vent air from your enclosure to equalize pressure and stop condensation from forming inside while securing cords in wet environments. These polyamide grips are lightweight and resist rusting. Because they’re IP rated, you can safely submerse them for brief periods of time. They also seal out water from washdowns and dust. All relieve strain on your cord if it’s pulled, prolonging its life.
For technical drawings and 3-D models, click on a part number.
| For Cord OD | For Knockout Trade Size | Thread Size | Material | Temperature Range, °F | Features | Environmental Rating | Specifications Met | Each | |
PG Threads | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 0.16"-0.31" | PG-9 | PG-9 | Black Polyamide Plastic | 0° to 210° | Nylon Plastic Locknut, Rubber O-Ring | IP66, IP67 | CSA Certified, CE Marked, CSA-US Certified, C-UL Recognized Component, DNV-GL Type Approved, UL Recognized Component, VDE Certified | 00000000 | 000000 |
| 0.16"-0.31" | PG-11 | PG-11 | Black Polyamide Plastic | 0° to 210° | Nylon Plastic Locknut, Rubber O-Ring | IP66, IP67 | CSA Certified, CE Marked, CSA-US Certified, C-UL Recognized Component, DNV-GL Type Approved, UL Recognized Component, VDE Certified | 00000000 | 00000 |
| 0.24"-0.47" | PG-13.5 | PG-13.5 | Black Polyamide Plastic | 0° to 210° | Nylon Plastic Locknut, Rubber O-Ring | IP66, IP67 | CSA Certified, CE Marked, CSA-US Certified, C-UL Recognized Component, DNV-GL Type Approved, UL Recognized Component, VDE Certified | 00000000 | 00000 |
Metric Threads | |||||||||
| 0.16"-0.31" | M12 | M12 | Black Polyamide Plastic | 0° to 210° | Nylon Plastic Locknut, Rubber O-Ring | IP66, IP67 | CSA Certified, CE Marked, CSA-US Certified, C-UL Recognized Component, DNV-GL Type Approved, UL Recognized Component, VDE Certified | 00000000 | 00000 |
| 0.16"-0.31" | M16 | M16 | Black Polyamide Plastic | 0° to 210° | Nylon Plastic Locknut, Rubber O-Ring | IP66, IP67 | CSA Certified, CE Marked, CSA-US Certified, C-UL Recognized Component, DNV-GL Type Approved, UL Recognized Component, VDE Certified | 00000000 | 00000 |
| 0.24"-0.47" | M20 | M20 | Black Polyamide Plastic | 0° to 210° | Nylon Plastic Locknut, Rubber O-Ring | IP66, IP67 | CSA Certified, CE Marked, CSA-US Certified, C-UL Recognized Component, DNV-GL Type Approved, UL Recognized Component, VDE Certified | 00000000 | 00000 |
Tarp Vents
Cut a hole in your canvas tarp and snap this vent into place to prevent the buildup of mildew, odors, and heat.
| Dia. | Ht. | Material | Color | Includes | Each | |
| 4" | 2" | Plastic | White | Snap-On Cover | 000000 | 000000 |
Drum Vents
Prevent drum failure by using these vents to release pressure and vacuum buildup caused by draining liquids and sudden temperature changes. In case of fire, a flame arrester prevents flashback into the drum.
Activation | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Style | Pressure Relief | Vacuum Relief | Seal Material | Flame Arrester Material | Pipe Size | Gender | Opening Pressure Range | Specifications Met | Each | |
For Vertical Drums | ||||||||||
Polyethylene Plastic | ||||||||||
| B | Automatic | Automatic | Buna-N Rubber | Zinc-Plated Steel | 2 NPT | Male | 3 psi-8 psi | FM Approved | 0000000 | 000000 |
| B | Automatic | Automatic | Buna-N Rubber | 304 Stainless Steel | 2 NPT | Male | 3 psi-8 psi | FM Approved | 0000000 | 000000 |