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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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$ 400.00
$ 400.00 - $ 400.00
$ 400.00
$ 320.00
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$ 320.00

Foster 3603GS, 3 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass, Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3603GS is a Steel 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 400.00
$ 400.00 - $ 400.00
$ 400.00
$ 320.00
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$ 320.00
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$ 267.00
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$ 267.00
$ 214.00
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$ 214.00

Foster SG1713, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Push-On Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG1713 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 267.00
$ 267.00 - $ 267.00
$ 267.00
$ 214.00
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$ 214.00
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$ 753.00
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$ 753.00
$ 603.00
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$ 603.00

Foster FM5105, 5 Series, Industrial Coupler, Automatic, 3/8" Male NPT, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5105 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 753.00
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$ 753.00
$ 603.00
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$ 603.00
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$ 615.00
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$ 615.00
$ 493.00
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$ 493.00

Foster FM1714, 4 Series, Industrial Coupler, Automatic, 3/8" Push-On Hose Barb, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM1714 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 615.00
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$ 615.00
$ 493.00
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$ 493.00
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$ 255.00
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$ 255.00
$ 204.00
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$ 204.00

Foster 56-5, 5 Series, Industrial Plug, 3/4" Male NPT, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 56-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 255.00
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$ 255.00
$ 204.00
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$ 204.00
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$ 163.00
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$ 163.00
$ 129.00
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$ 129.00

Foster 40-4B, 4 Series, Industrial Plug, 1/4" Male NPT, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 40-4B is a Brass 3/8" industrial plug from the Foster 4 Series — a high-fl...

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$ 163.00
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$ 163.00
$ 129.00
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$ 129.00
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$ 82.00
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$ 82.00
$ 66.00
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$ 66.00

Foster 71-3, 3 Series, Industrial Plug, 3/8" Hose Barb (Push-On), Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 71-3 is a Steel 1/4" industrial plug from the Foster 3 Series — the most p...

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$ 82.00
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$ 82.00
$ 66.00
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$ 66.00
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$ 1,165.00
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$ 932.00
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$ 932.00

Foster 3303S/S, 3 Series, Industrial Coupler, Manual, 3/8" Male NPT, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3303S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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$ 1,165.00
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$ 1,165.00
$ 932.00
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$ 516.00
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$ 516.00
$ 414.00
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$ 414.00

Foster 3203GB, 3 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3203GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 516.00
$ 516.00 - $ 516.00
$ 516.00
$ 414.00
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$ 414.00
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$ 603.00
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$ 483.00
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$ 483.00

Foster 5905, 5 Series, Industrial Coupler, Automatic, 3/4" Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5905 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 603.00
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$ 603.00
$ 483.00
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$ 483.00
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$ 401.00
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$ 401.00
$ 322.00
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$ 322.00

Foster SL3003, 3 Series, Industrial Coupler, Automatic, 1/4" Female NPT, Brass With Ball Sleeve Lock

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SL3003 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 401.00
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$ 401.00
$ 322.00
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$ 322.00
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$ 0.00
$ 803.00
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$ 803.00

6pc Reusable Hose Barb - 3/8" NPT X 3/8" ID - 5/8" OD hose - Air Hose FIttings

Foster Brand6ea - 4D7 ( 3/8" NPT X 3/8" ID - 5/8" OD hose)

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$ 0.00
$ 803.00
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$ 142.00
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$ 142.00
$ 113.00
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$ 113.00

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

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

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$ 142.00
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$ 142.00
$ 113.00
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$ 113.00
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$ 246.00
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$ 246.00
$ 196.00
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$ 196.00

Foster SG3203, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Female NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG3203 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 246.00
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$ 246.00
$ 196.00
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$ 196.00
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$ 249.00
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$ 249.00
$ 198.00
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$ 198.00

Foster SG3303, 3 Series, Industrial Coupler, Manual, Sleeve Guard, 3/8" Male NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster SG3303 is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 249.00
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$ 249.00
$ 198.00
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$ 198.00
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$ 573.00
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$ 573.00
$ 458.00
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$ 458.00

Foster FM4504, 4 Series, Industrial Coupler, Automatic, 1/2" Male NPT, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4504 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 458.00
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$ 458.00
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$ 495.00
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$ 495.00
$ 396.00
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$ 396.00

Foster 4404, 4 Series, Industrial Coupler, Manual, 1/2" Female NPT, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4404 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 495.00
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$ 495.00
$ 396.00
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$ 396.00
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$ 746.00
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$ 596.00
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Foster FM5005, 5 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5005 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 746.00
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$ 746.00
$ 596.00
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$ 596.00
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$ 783.00
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$ 626.00
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$ 626.00

Foster 3003S/S, 3 Series, Industrial Coupler, Manual, 1/4" Female NPT, Stainless Steel

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3003S/S is a 303 Stainless 1/4" industrial coupler from the Foster 3 Serie...

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$ 783.00
$ 783.00 - $ 783.00
$ 783.00
$ 626.00
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$ 626.00
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$ 226.00
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$ 226.00
$ 181.00
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$ 181.00

Foster 53-5, 5 Series, Industrial Plug, 3/8" Female NPT, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 53-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 226.00
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$ 226.00
$ 181.00
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$ 181.00
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$ 539.00
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$ 539.00
$ 431.00
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$ 431.00

Foster 5205, 5 Series, Industrial Coupler, Automatic, 1/2" Female NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5205 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 539.00
$ 539.00 - $ 539.00
$ 539.00
$ 431.00
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$ 431.00
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$ 89.00
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$ 89.00
$ 71.00
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$ 71.00

Foster 12-3B, 3 Series, Industrial Plug, 1/8" Male NPT, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 12-3B is a Brass 1/4" industrial plug from the Foster 3 Series — the most ...

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$ 89.00
$ 89.00 - $ 89.00
$ 89.00
$ 71.00
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$ 71.00
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$ 472.00
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$ 472.00
$ 378.00
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$ 378.00

Foster 3103GB, 3 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass

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

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$ 472.00
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$ 472.00
$ 378.00
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$ 378.00
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$ 525.00
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$ 525.00
$ 419.00
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$ 419.00

Foster 3703GB, 3 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass

Reliable, leak-free 1/4" connections for air and fluid lines. The Foster 3703GB is a Brass 1/4" industrial coupler from the Foster 3 Series — the m...

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$ 525.00
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$ 525.00
$ 419.00
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$ 419.00
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