Plastic Manifolds | McMaster-Carr

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183 Products

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.

Right-Angle Flow Rectangular Manifolds

Distribute air or fluid to multiple locations from a single supply source with these manifolds. They are also known as headers.

Moisture-Resistant Push-to-Connect
Tube Fittings for Air and Water

These fittings won’t absorb moisture, so they’re good for water and high-humidity air applications.

Push-to-Connect Tube Fittings for Air

Universal-Thread Push-to-Connect
Tube Fittings for Air and Water

Make lightweight connections without the hassle of matching the exact thread type—these fittings connect to NPT, NPTF, BSPP, BSPT, and other universal threads.

Low-Temperature/High-Pressure D.O.T.
Push-to-Connect Tube Fittings for Air

Connect high-pressure brake lines with fittings that won’t crack in frigid temperatures. Often used on commercial trucks and trailers, these fittings meet Department of Transportation FMVSS 571 safety standards.

Weld-Spatter-Resistant Push-to-Connect
Tube Fittings for Air and Water

Designed for use in welding applications, these fittings are flame retardant.

Press-Connect Fittings for Drinking Water

Connect drinking water lines with ease—these one-piece fittings have a built-in sleeve that crimps onto tubing for a leak-tight connection that doesn’t require heat or soldering. These fittings meet NSF/ANSI 61 for drinking water systems and are compatible with Viega PEX tubing.

Any-Which-Way Coolant Hose

1/4" Snap-Loc Coolant Hose

1/4" Snap-Loc Coolant Hose Kits

Kit contains lengths of hose, nozzles, connectors, and assembly pliers.

1/2" Snap-Loc Coolant Hose

1/2" Loc-Line Coolant Hose

Build a custom 1/2" system to deliver coolant, cutting oil, water, or air in any direction.

1/4" Loc-Line Coolant Hose

Build a custom 1/4" system to deliver coolant, cutting oil, water, or air in any direction.

1/4" Loc-Line Coolant Hose Kits

Kits contain lengths of hose, nozzles, valves, and caps.

Fillers for Well Plates

Fill and dispense 96 wells all at once.