Mount Type Mount Type | Show |
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Mount Type Mount Type | Hide |
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Connection Style Connection Style |
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| Barbed |
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| Threaded |
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| Quick Disconnect |
For Use With For Use With |
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Shape Shape |
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 | Straight |
For Hole Diameter For Hole Diameter |
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Barbed Connection Type Barbed Connection Type |
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 | Clamp On |
 | Push On |
 | Screw-On Nut |
 | Collar |
Flow Control Flow Control |
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Maximum Temperature Maximum Temperature |
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Length Length |
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For Maximum Wall Thickness For Maximum Wall Thickness |
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Maximum Pressure Maximum Pressure |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Tight-Seal Plastic Barbed Tube Fittings for Air and Water
Minimize leaks in your line—these fittings have a single barb that creates a smooth clamping surface for extra-tight connections. Fittings are nylon for excellent impact and abrasion resistance.
NPSM (National Pipe Straight Mechanical) male threads are compatible with NPSM and NPSH threads.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: -50° to 275° F
- Tubing: Use with firm (Durometer 75A-80A) polyurethane rubber or PVC plastic
- Clarity: Black: Opaque; White: Semi-Clear
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
| For Tube ID | Pipe Size  | Material | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Pkg. Qty. | Choose a Color | Pkg. | |
NPSM Threads | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 5/32" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 000000 | |
| 3/16" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 | |
| 1/4" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 | |
| 5/16" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 | |
| 3/8" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 | |
| 1/2" | 1/4 | Nylon Plastic | Not Rated | 1/2" | 19/32" | 10 | 0000000 | 00000 | |
Brass Low-Pressure Barbed Tube Fittings for Air and Water
A brass body provides protection against corrosive environments. Fittings have barbs that grip onto tubing.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: -65° to 75° F
- Tubing: Use with firm (Durometer 95A) polyurethane rubber
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
Aluminum Low-Pressure Barbed Tube Fittings for Air and Water
- For Use With: Air, Lubricated Air, Water
- Temperature Range: -40° to 230° F
- Tubing: Use with hard (Durometer 75A-60D) EVA plastic, polyethylene plastic, polyurethane rubber or PVDF plastic
Made of aluminum, these fittings are lighter in weight than other metal barbed tube fittings and have good corrosion resistance. The barb grips onto tubing, providing a secure hold with no clamp required.
For technical drawings and 3-D models, click on a part number.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
| For Tube ID | Material | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Each | |
| 1/16" | Aluminum | 125 psi @ 72° F | 3/16" | 1/4" | 00000000 | 000000 |
| 1/8" | Aluminum | 125 psi @ 72° F | 1/4" | 5/16" | 00000000 | 00000 |
| 0.17" | Aluminum | 125 psi @ 72° F | 5/16" | 13/32" | 00000000 | 00000 |
| 1/4" | Aluminum | 125 psi @ 72° F | 3/8" | 13/32" | 00000000 | 00000 |
| 3/8" | Aluminum | 125 psi @ 72° F | 1/2" | 13/32" | 00000000 | 00000 |
| 1/2" | Aluminum | 125 psi @ 72° F | 3/4" | 53/64" | 00000000 | 00000 |
Screw-On Nut Barbed Tube Fittings for Air
- Temperature Range: 20° to 140° F
- Tubing: Use with firm or hard (Durometer 95A-60D) polyethylene plastic or polyurethane rubber
You don’t need a clamp to secure these fittings to tubing. They have a nut on the barbed end that tightens to hold the tubing in place.
Aluminum and nylon fittings have better corrosion resistance than brass and are lighter in weight.
For technical drawings and 3-D models, click on a part number.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through your wall or panel to create an inlet or outlet.
Plastic Quick-Disconnect Tube Couplings for Air and Water
Lighter in weight than their metal counterparts, these quick-disconnect couplings are plastic. They consist of a plug and a socket that allow you to frequently connect and disconnect your line.
Latch-lock sockets disconnect by pressing the latch.
Acetal plugs and sockets are moisture resistant, so they won’t absorb water and lose strength, even in high-humidity environments. Plug and Sockets with shut-off have a valve to stop the flow when the coupling is separated, so air or water won’t spill from your line.
Note: For a complete coupling, order a plug and a socket with the same coupling size.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: -40° to 180° F
- Tubing: Use with soft or firm (Durometer 70A-85A) polyurethane rubber
Barbed plugs and sockets insert into tubing. Those with collar do not require a clamp and limit the size of the tubing to a maximum of 1/8” OD.
Through-wall plugs and sockets are also known as bulkhead and panel-mount plugs and sockets; they mount through your wall or panel to create an inlet or outlet.
| Coupling Size | Plug OD | For Tube ID | Barbed Connection Type | Material | Color | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Each | |
Open Flow | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 3/32 | 1/4" | 1/16" | Collar | Acetal Plastic | White | 100 psi @ 72° F | 7/16" | 13/64" | 00000000 | 00000 |
| 3/32 | 1/4" | 1/8" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 7/16" | 13/64" | 00000000 | 0000 |
| 1/8 | 5/16" | 1/16" | Collar | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 19/64" | 0000000 | 00000 |
| 1/8 | 5/16" | 1/8" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 19/64" | 0000000 | 00000 |
| 1/8 | 5/16" | 3/16" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 19/64" | 0000000 | 00000 |
| 1/8 | 5/16" | 1/4" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 19/64" | 0000000 | 00000 |
| 1/4 | 7/16" | 1/4" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 19/64" | 0000000 | 0000 |
| 1/4 | 7/16" | 5/16" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 19/64" | 0000000 | 00000 |
| 1/4 | 7/16" | 3/8" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 19/64" | 0000000 | 00000 |
With Shut-Off | ||||||||||
| 1/8 | 5/16" | 1/16" | Collar | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 19/64" | 0000000 | 00000 |
| 1/8 | 5/16" | 1/8" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 19/64" | 0000000 | 00000 |
| 1/8 | 5/16" | 3/16" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 19/64" | 0000000 | 00000 |
| 1/8 | 5/16" | 1/4" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 19/64" | 0000000 | 00000 |
| 1/4 | 7/16" | 1/4" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 19/64" | 0000000 | 00000 |
| 1/4 | 7/16" | 5/16" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 19/64" | 0000000 | 00000 |
| 1/4 | 7/16" | 3/8" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 19/64" | 0000000 | 00000 |
- Temperature Range: -40° to 180° F
- Tubing: Use with soft or firm (Durometer 70A-85A) polyurethane rubber
Barbed plugs and sockets insert into tubing. Those with collar do not require a clamp and limit the size of the tubing to a maximum of 1/8” OD.
Through-wall plugs and sockets are also known as bulkhead and panel-mount plugs and sockets; they mount through your wall or panel to create an inlet or outlet.
| Coupling Size | For Plug OD | For Tube ID | Barbed Connection Type | Material | Color | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Socket Locking Type | Each | |
Open Flow | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 5/16" | 1/16" | Collar | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 1/2" | Latch | 0000000 | 000000 |
| 1/8 | 5/16" | 1/8" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 1/2" | Latch | 0000000 | 00000 |
| 1/8 | 5/16" | 3/16" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 1/2" | Latch | 00000000 | 00000 |
| 1/8 | 5/16" | 1/4" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 1/2" | Latch | 0000000 | 00000 |
| 1/4 | 7/16" | 1/4" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 1/2" | Latch | 0000000 | 00000 |
| 1/4 | 7/16" | 5/16" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 1/2" | Latch | 00000000 | 00000 |
| 1/4 | 7/16" | 3/8" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 1/2" | Latch | 0000000 | 00000 |
With Shut-Off | |||||||||||
| 1/8 | 5/16" | 1/16" | Collar | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 1/2" | Latch | 0000000 | 00000 |
| 1/8 | 5/16" | 1/8" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 1/2" | Latch | 0000000 | 00000 |
| 1/8 | 5/16" | 3/16" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 1/2" | Latch | 00000000 | 00000 |
| 1/8 | 5/16" | 1/4" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 1/2" | 1/2" | Latch | 0000000 | 00000 |
| 1/4 | 7/16" | 1/4" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 1/2" | Latch | 0000000 | 00000 |
| 1/4 | 7/16" | 5/16" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 1/2" | Latch | 00000000 | 00000 |
| 1/4 | 7/16" | 3/8" | Clamp On | Acetal Plastic | White | 100 psi @ 72° F | 11/16" | 1/2" | Latch | 0000000 | 00000 |
High-Pressure Quick-Disconnect Tube Couplings for Air
Not only do these chrome-plated brass couplings have excellent corrosion resistance, they also withstand pressures up to 250 psi. Couplings consist of a plug and a socket (sold separately) that join with a latch, so you can frequently connect and disconnect your line. To connect, insert the plug into the socket; to disconnect, press the latch on the socket and remove the plug.
Plugs and Sockets with shut-off have a valve to stop the flow when the coupling is separated, so air won’t leak from your line.
Note: For a complete coupling, order a plug and a socket with the same coupling size.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: -40° to 180° F
- Tubing: Use with soft or firm (Durometer 70A-80A) polyurethane rubber
Barbed plugs and sockets insert into tubing and secure with a clamp.
Through-wall plugs and sockets are also known as bulkhead and panel-mount plugs and sockets; they mount through your wall or panel to create an inlet or outlet.
Open Flow | With Shut-Off | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Coupling Size | Plug OD | For Tube ID | Material | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Each | Each | ||
| 1/8 | 5/16" | 1/8" | Chrome-Plated Brass | 250 psi @ 72° F | 1/2" | 19/64" | 00000000 | 000000 | 00000000 | 000000 |
| 1/8 | 5/16" | 3/16" | Chrome-Plated Brass | 250 psi @ 72° F | 1/2" | 19/64" | 00000000 | 00000 | 000000 | 00 |
| 1/8 | 5/16" | 1/4" | Chrome-Plated Brass | 250 psi @ 72° F | 1/2" | 19/64" | 00000000 | 00000 | 00000000 | 00000 |
| 1/4 | 7/16" | 1/4" | Chrome-Plated Brass | 250 psi @ 72° F | 11/16" | 19/64" | 00000000 | 00000 | 00000000 | 00000 |
| 1/4 | 7/16" | 3/8" | Chrome-Plated Brass | 250 psi @ 72° F | 11/16" | 19/64" | 00000000 | 00000 | 00000000 | 00000 |
- Temperature Range: -40° to 180° F
- Tubing: Use with soft or firm (Durometer 70A-80A) polyurethane rubber
Barbed plugs and sockets insert into tubing and secure with a clamp.
Through-wall plugs and sockets are also known as bulkhead and panel-mount plugs and sockets; they mount through your wall or panel to create an inlet or outlet.
Open Flow | With Shut-Off | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Coupling Size | For Plug OD | For Tube ID | Material | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Each | Each | ||
| 1/8 | 5/16" | 1/8" | Chrome-Plated Brass | 250 psi @ 72° F | 1/2" | 1/2" | 00000000 | 000000 | 00000000 | 000000 |
| 1/8 | 5/16" | 3/16" | Chrome-Plated Brass | 250 psi @ 72° F | 1/2" | 1/2" | 00000000 | 00000 | 00000000 | 00000 |
| 1/8 | 5/16" | 1/4" | Chrome-Plated Brass | 250 psi @ 72° F | 1/2" | 1/2" | 00000000 | 00000 | 00000000 | 00000 |
| 1/4 | 7/16" | 1/4" | Chrome-Plated Brass | 250 psi @ 72° F | 11/16" | 1/2" | 00000000 | 00000 | 00000000 | 00000 |
| 1/4 | 7/16" | 3/8" | Chrome-Plated Brass | 250 psi @ 72° F | 11/16" | 1/2" | 00000000 | 00000 | 00000000 | 00000 |
Low-Profile High-Pressure Quick-Disconnect Tube Couplings for Air
- Temperature Range: -30° to 250° F
- Tubing: Use with firm or soft (Durometer 35A-90A) Buna-N rubber, EVA plastic, gum rubber, latex rubber, neoprene rubber, polyurethane rubber, PVC plastic or silicone rubber, except for fittings with pipe end
With no latch, these couplings have a compact design to fit in small spaces. They connect with a push and disconnect with a pull, so you can easily access your line. Couplings consist of a plug and a socket (sold separately). They have a universal connection, so the plugs will connect to any of the sockets regardless of the pipe or tube size. They are nickel-plated brass for very good corrosion resistance.
Note: For a complete coupling, order a plug and a socket.
For technical drawings and 3-D models, click on a part number.
Through-wall plugs and sockets are also known as bulkhead and panel-mount plugs and sockets; they mount through your wall or panel to create an inlet or outlet.
Open Flow | ||||||
|---|---|---|---|---|---|---|
| For Tube ID | Material | Max. Pressure | For Hole Dia. Range | For Max. Wall Thick. | Each | |
| 3/32" | Nickel-Plated Brass | 700 psi @ 72° F | 1/4"-5/16" | 5/32" | 0000000 | 00000 |
| 1/8" | Nickel-Plated Brass | 700 psi @ 72° F | 5/16"-3/8" | 7/32" | 0000000 | 0000 |
| 5/32" | Nickel-Plated Brass | 700 psi @ 72° F | 5/16"-3/8" | 7/32" | 0000000 | 0000 |
| 3/16" | Nickel-Plated Brass | 700 psi @ 72° F | 1/4"-5/16" | 5/32" | 0000000 | 0000 |
Sockets with shut-off have a valve to stop the flow when the coupling is separated, so air won’t leak from your line.
Through-wall plugs and sockets are also known as bulkhead and panel-mount plugs and sockets; they mount through your wall or panel to create an inlet or outlet.
Open Flow | With Shut-Off | |||||||
|---|---|---|---|---|---|---|---|---|
| For Tube ID | Material | Max. Pressure | For Hole Dia. Range | For Max. Wall Thick. | Each | Each | ||
| 3/32" | Nickel-Plated Brass | 700 psi @ 72° F | 1/4"-5/16" | 5/32" | 0000000 | 000000 | 0000000 | 000000 |
| 1/8" | Nickel-Plated Brass | 700 psi @ 72° F | 5/16"-3/8" | 7/32" | 0000000 | 00000 | 0000000 | 00000 |
| 5/32" | Nickel-Plated Brass | 700 psi @ 72° F | 5/16"-3/8" | 7/32" | 0000000 | 00000 | 0000000 | 00000 |
| 3/16" | Nickel-Plated Brass | 700 psi @ 72° F | 1/4"-5/16" | 5/32" | 0000000 | 00000 | 0000000 | 00000 |
Quick-Disconnect Tube Couplings for Food and Beverage
- Temperature Range:
Acetal Plastic: -40° to 180° F
Polypropylene Plastic: 32° to 160° F - Tubing:
Barbed Fittings: Use with soft or firm (Durometer 65A-80A) polyurethane rubber
Compression Fittings: Use with hard or firm (Durometer 80A-60D) nylon or polyethylene plastic - Specifications Met: NSF/ANSI 169
Couplings consist of a plug and a socket (sold separately) that join with a latch, so you can frequently connect and disconnect your line. To connect, insert the plug into the socket; to disconnect, press the latch on the socket and remove the plug. They’re made of FDA-approved materials, including moisture-resistant plastic that won’t absorb liquid and lose strength, even in high-humidity food and beverage applications.
Plugs and sockets with shut-off have a valve to stop the flow when the coupling is separated, so fluid won’t spill from your line.
Note: For a complete coupling, order a plug and a socket with the same coupling size.
For technical drawings and 3-D models, click on a part number.
Barbed sockets insert into tubing and secure with a clamp.
Through-wall sockets are also known as bulkhead sockets and panel-mount sockets; they mount through your wall or panel to create an inlet or outlet.
| Coupling Size | For Plug OD | For Tube ID | Material | Color | Clarity | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Each | |
Open Flow | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 3/8 | 3/4" | 3/8" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 1 13/16" | 1/4" | 0000000 | 000000 |
| 3/8 | 3/4" | 1/2" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 1 13/16" | 1/4" | 0000000 | 00000 |
With Shut-Off | ||||||||||
| 3/8 | 3/4" | 3/8" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 1 13/16" | 1/4" | 0000000 | 00000 |
| 3/8 | 3/4" | 1/2" | Polypropylene Plastic | Gray | Opaque | 60 psi @ 72° F | 1 13/16" | 1/4" | 0000000 | 00000 |
Quick-Disconnect Couplings for Plastic and Rubber Tubing—Chemicals
- For Use With: Ammonia, Ethanol, Phosphoric Acid (70%), Sodium Carbonate
- Temperature Range: 32° to 160° F
Couplings consist of a plug and a socket (sold separately) that join with a latch, so you can frequently connect and disconnect your line. To connect, insert the plug into the socket; to disconnect, press the latch on the socket and remove the plug. Plugs and sockets are polypropylene, which has excellent chemical, impact, and abrasion resistance.
Plugs and sockets with shut-off have a valve to stop the flow when the coupling is separated so fluid won’t spill from your line.
Note: For a complete coupling, order a plug and a socket with the same coupling size.
For technical drawings and 3-D models, click on a part number.
Barbed sockets insert into tubing and secure with a clamp.
Through-wall sockets are also known as bulkhead sockets and panel-mount sockets; they mount through your wall or panel to create an inlet or outlet.
| Coupling Size | For Plug OD | For Tube ID | Material | Color | Max. Pressure | For Hole Dia. | For Max. Wall Thick. | Each | |
Open Flow | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 5/16" | 1/8" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 1/2" | 1/2" | 00000000 | 000000 |
| 1/8 | 5/16" | 1/4" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 1/2" | 1/2" | 00000000 | 00000 |
| 1/4 | 7/16" | 1/4" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 11/16" | 1/2" | 00000000 | 00000 |
| 1/4 | 7/16" | 3/8" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 11/16" | 1/2" | 00000000 | 00000 |
| 3/8 | 3/4" | 3/8" | Polypropylene Plastic | Gray | 60 psi @ 72° F | 1 3/16" | 1/4" | 00000000 | 00000 |
| 3/8 | 3/4" | 1/2" | Polypropylene Plastic | Gray | 60 psi @ 72° F | 1 3/16" | 1/4" | 00000000 | 00000 |
With Shut-Off | |||||||||
| 1/8 | 5/16" | 1/8" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 1/2" | 1/2" | 00000000 | 00000 |
| 1/8 | 5/16" | 1/4" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 1/2" | 1/2" | 00000000 | 00000 |
| 1/4 | 7/16" | 1/4" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 11/16" | 1/2" | 00000000 | 00000 |
| 1/4 | 7/16" | 3/8" | Polypropylene Plastic | Beige | 120 psi @ 72° F | 11/16" | 1/2" | 00000000 | 00000 |
| 3/8 | 3/4" | 3/8" | Polypropylene Plastic | Gray | 60 psi @ 72° F | 1 3/16" | 1/4" | 00000000 | 00000 |
| 3/8 | 3/4" | 1/2" | Polypropylene Plastic | Gray | 60 psi @ 72° F | 1 3/16" | 1/4" | 00000000 | 00000 |