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Pneumatic Quick Couplers

Pneumatic quick couplers connect and disconnect air lines in one quick motion, no tools required. This collection covers the full range of air quick couplers and plugs across every interchange, from miniature 2 Series to industrial body sizes, in steel, brass, and stainless. Filter by series, body size, thread, and material to find the exact coupler or plug your air system needs.

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$ 411.00
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$ 411.00
$ 328.00
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$ 328.00

Foster FM1513, 3 Series, Industrial Coupler, Automatic, 1/4" Push-On Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster FM1513 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 411.00
$ 411.00 - $ 411.00
$ 411.00
$ 328.00
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$ 328.00
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$ 428.00
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$ 428.00
$ 342.00
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$ 342.00

Foster 3303GS, 3 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3303GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 428.00
$ 428.00 - $ 428.00
$ 428.00
$ 342.00
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$ 342.00
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$ 493.00
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$ 493.00
$ 393.00
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$ 393.00

Foster 2803GB, 3 Series, Industrial Coupler, Automatic, 1/8" Female NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 2803GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 493.00
$ 493.00 - $ 493.00
$ 493.00
$ 393.00
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$ 393.00
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$ 200.00
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$ 200.00
$ 159.00
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$ 159.00

Foster 47-4, 4 Series, Industrial Plug, 5/16" Hose Barb, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 47-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

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$ 200.00
$ 200.00 - $ 200.00
$ 200.00
$ 159.00
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$ 159.00
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$ 600.00
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$ 600.00
$ 482.00
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$ 482.00

Foster 5405, 5 Series, Industrial Coupler, Automatic, 3/4" Female NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5405 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 482.00
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$ 482.00
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$ 313.00
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$ 313.00
$ 250.00
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$ 250.00

Foster 54-5B, 5 Series, Industrial Plug, 1/2" Male NPT, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 54-5B is a Brass 1/2" industrial plug from the Foster 5 Series —...

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$ 313.00
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$ 313.00
$ 250.00
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$ 250.00
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$ 646.00
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$ 646.00
$ 518.00
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$ 518.00

Foster 5805, 5 Series, Industrial Coupler, Automatic, 1/2" Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5805 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 646.00
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$ 646.00
$ 518.00
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$ 518.00
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$ 572.00
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$ 457.00
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$ 457.00

Foster 1815, 5 Series, Industrial Coupler, Automatic, 1/2" Push-On Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 1815 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 572.00
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$ 572.00
$ 457.00
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$ 457.00
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$ 434.00
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$ 434.00
$ 347.00
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$ 347.00

Foster 70-6, 6 Series, Industrial Plug, 1/2" Hose Barb, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 70-6 is a Steel 3/4" industrial plug from the Foster 6 Series — ...

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$ 434.00
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$ 434.00
$ 347.00
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$ 347.00
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$ 1,352.00
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$ 1,082.00
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$ 1,082.00

Foster FM6806, 6 Series, Industrial Coupler, Automatic, 1/2" Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM6806 is a Brass 3/4" industrial coupler from the Foster 6 Seri...

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$ 1,352.00
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$ 1,352.00
$ 1,082.00
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$ 1,082.00
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$ 65.00
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$ 65.00
$ 52.00
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$ 52.00

Foster 16-3, 3 Series, Industrial Plug, 1/4" Hose Barb, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 16-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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$ 65.00
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$ 65.00
$ 52.00
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$ 52.00
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Breco 2DSF2-B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass
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$ 102.00
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$ 102.00
$ 83.00
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$ 83.00

Breco B-B2M1-S, 1/4" Industrial Plug x 1/8" Male NPT, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Breco B-B2M1-S is a Steel 1/4" industrial plug from the Breco 3 Series — the most...

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$ 102.00
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$ 102.00
$ 83.00
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$ 83.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 140.00
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$ 140.00
$ 112.00
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$ 112.00

Foster PB3-3, 1/4" Industrial Plug x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 3 Series, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster PB3-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 140.00
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$ 140.00
$ 112.00
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$ 112.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 242.00
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$ 242.00
$ 194.00
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$ 194.00

Foster 10-3D, 1/4" Industrial Plug x 1/4" Male NPT, 3 Series, Dill Valve, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 10-3D is a Steel 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 242.00
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$ 242.00
$ 194.00
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$ 194.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 269.00
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$ 269.00
$ 215.00
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$ 215.00

Foster 3103D, 1/4" Industrial Coupler x 1/4" Male NPT, 3 Series, Dill Valve, Brass/Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3103D is a Brass/Steel 1/4" industrial coupler from the Foster 3 Series — ...

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$ 269.00
$ 269.00 - $ 269.00
$ 269.00
$ 215.00
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$ 215.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 321.00
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$ 321.00
$ 255.00
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$ 255.00

Foster 3003H, 1/4" Industrial Coupler x 1/4" Female NPT, 3 Series, Heat/Viton, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3003H is a Steel 1/4" industrial coupler from the Foster 3 Series — the mo...

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$ 321.00
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$ 321.00
$ 255.00
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$ 255.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 1,341.00
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$ 1,341.00
$ 1,072.00
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$ 1,072.00

Foster FM6706, 3/4" Industrial Coupler x 1" Male NPT, 6 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM6706 is a Brass 3/4" industrial coupler from the Foster 6 Seri...

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$ 1,341.00
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$ 1,341.00
$ 1,072.00
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$ 1,072.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 1,421.00
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$ 1,421.00
$ 1,137.00
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$ 1,137.00

Foster FM6406W, 3/4" Industrial Coupler x 3/4" Female NPT, 6 Series, Automatic, Water, Brass/SS

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM6406W is a Brass/SS 3/4" industrial coupler from the Foster 6 ...

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$ 1,421.00
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$ 1,421.00
$ 1,137.00
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$ 1,137.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 110.00
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$ 110.00
$ 89.00
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$ 89.00

Foster 50-5, 1/2" Industrial Plug x 1/4" Male NPT, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 50-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 110.00
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$ 110.00
$ 89.00
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$ 89.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 946.00
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$ 946.00
$ 756.00
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$ 756.00

Foster FMSD7-5H, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 5 Series, Automatic, Heat/Viton, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSD7-5H is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 946.00
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$ 946.00
$ 756.00
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$ 756.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 600.00
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$ 600.00
$ 482.00
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$ 482.00

Foster 5405, 1/2" Industrial Coupler x 3/4" Female NPT, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5405 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 600.00
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$ 600.00
$ 482.00
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$ 482.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 96.00
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$ 96.00
$ 77.00
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$ 77.00

Foster 42-4, 3/8" Industrial Plug x 3/8" Male NPT, 4 Series, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 42-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

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$ 96.00
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$ 96.00
$ 77.00
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$ 77.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 700.00
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$ 700.00
$ 560.00
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$ 560.00

Foster SL4304, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SL4304 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 700.00
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$ 700.00
$ 560.00
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$ 560.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 50.00
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$ 50.00
$ 41.00
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$ 41.00

Foster 22-2, 1/8" 2 Series Plug x 1/8" Male NPT, Steel

Dependable, leak-free connections for air and light fluid lines. The Foster 22-2 is a Steel 1/8" plug from the proven Foster 2 Series — a miniature...

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$ 50.00
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$ 50.00
$ 41.00
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$ 41.00
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