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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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$ 131.00
$ 131.00 - $ 131.00
$ 131.00
$ 106.00
$ 106.00 - $ 106.00
$ 106.00

Foster 51-4, 4 Series, Industrial Plug, 1/4" Push-On Hose Barb, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 51-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

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$ 131.00
$ 131.00 - $ 131.00
$ 131.00
$ 106.00
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$ 106.00
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$ 474.00
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$ 474.00
$ 379.00
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$ 379.00

Foster 71-4B, 4 Series, Industrial Plug, 3/8" Push-On Hose Barb, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 71-4B is a Brass 3/8" industrial plug from the Foster 4 Series — a high-fl...

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$ 474.00
$ 474.00 - $ 474.00
$ 474.00
$ 379.00
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$ 379.00
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$ 190.00
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$ 190.00
$ 153.00
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$ 153.00

Foster 81-4, 4 Series, Industrial Plug, 1/2" Push-On Hose Barb, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 81-4 is a Steel 3/8" industrial plug from the Foster 4 Series — a high-flo...

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$ 190.00
$ 190.00 - $ 190.00
$ 190.00
$ 153.00
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$ 153.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 482.00
$ 482.00 - $ 482.00
$ 482.00
$ 386.00
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$ 386.00

Foster 4604, 4 Series, Industrial Coupler, Manual, 1/4" Hose Barb, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4604 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 482.00
$ 482.00 - $ 482.00
$ 482.00
$ 386.00
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$ 386.00
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$ 507.00
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$ 507.00
$ 405.00
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$ 405.00

Foster 4704, 4 Series, Industrial Coupler, Manual, 5/16" Hose Barb, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4704 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
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$ 405.00
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$ 497.00
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$ 497.00
$ 398.00
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$ 398.00

Foster 4804, 4 Series, Industrial Coupler, Manual, 3/8" Hose Barb, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4804 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 497.00
$ 497.00 - $ 497.00
$ 497.00
$ 398.00
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$ 398.00
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$ 482.00
$ 482.00 - $ 482.00
$ 482.00
$ 386.00
$ 386.00 - $ 386.00
$ 386.00

Foster 4904, 4 Series, Industrial Coupler, Manual, 1/2" Hose Barb, Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4904 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 482.00
$ 482.00 - $ 482.00
$ 482.00
$ 386.00
$ 386.00 - $ 386.00
$ 386.00
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$ 440.00
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$ 440.00
$ 352.00
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$ 352.00

Foster 1714, 4 Series, Industrial Coupler, Manual, 3/8" Hose Barb (Push-On), Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 1714 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 440.00
$ 440.00 - $ 440.00
$ 440.00
$ 352.00
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$ 352.00
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$ 484.00
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$ 484.00
$ 387.00
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$ 387.00

Foster 1814, 4 Series, Industrial Coupler, Manual, 1/2" Hose Barb (Push-On), Brass, Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 1814 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 484.00
$ 484.00 - $ 484.00
$ 484.00
$ 387.00
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$ 387.00
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$ 567.00
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$ 567.00
$ 454.00
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$ 454.00

Foster FM4704, 4 Series, Industrial Coupler, Automatic, 5/16" Hose Barb, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4704 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 567.00
$ 567.00 - $ 567.00
$ 567.00
$ 454.00
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$ 454.00
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$ 632.00
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$ 632.00
$ 505.00
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$ 505.00

Foster FM1814, 4 Series, Industrial Coupler, Manual, 1/2" Hose Barb (Push-On), Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM1814 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 632.00
$ 632.00 - $ 632.00
$ 632.00
$ 505.00
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$ 505.00
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$ 600.00
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$ 600.00
$ 481.00
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$ 481.00

Foster 4015, 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 4015 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 481.00
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$ 481.00
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$ 600.00
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$ 600.00
$ 481.00
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$ 481.00

Foster 4905, 5 Series, Industrial Coupler, Automatic, 1/4" Male NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 4905 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 481.00
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$ 481.00
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$ 558.00
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$ 558.00
$ 445.00
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$ 445.00

Foster 5005, 5 Series, Industrial Coupler, Automatic, 3/8" Female NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5005 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 558.00
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$ 558.00
$ 445.00
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$ 445.00
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$ 558.00
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$ 447.00
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$ 447.00

5505, 5 Series, Industrial Coupler, Automatic, 3/4" Male NPT, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5505 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 558.00
$ 558.00 - $ 558.00
$ 558.00
$ 447.00
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$ 447.00
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$ 287.00
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$ 287.00
$ 229.00
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$ 229.00

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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$ 287.00
$ 287.00 - $ 287.00
$ 287.00
$ 229.00
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$ 229.00
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$ 215.00
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$ 215.00
$ 173.00
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$ 173.00

Foster 60-5B, 5 Series, Industrial Plug, 1/2" Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 60-5B is a Brass 1/2" industrial plug from the Foster 5 Series —...

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$ 215.00
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$ 215.00
$ 173.00
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$ 173.00
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$ 514.00
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$ 514.00
$ 412.00
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$ 412.00

81-5B, 5 Series, Industrial Plug, 1/2" Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 81-5B is a Brass 1/2" industrial plug from the Foster 5 Series —...

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$ 514.00
$ 514.00 - $ 514.00
$ 514.00
$ 412.00
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$ 412.00
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$ 607.00
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$ 607.00
$ 486.00
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$ 486.00

5605, 5 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5605 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 607.00
$ 607.00 - $ 607.00
$ 607.00
$ 486.00
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$ 486.00
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$ 593.00
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$ 593.00
$ 475.00
$ 475.00 - $ 475.00
$ 475.00

5705, 5 Series, Industrial Coupler, Automatic, 3/8" Hose Barb, Brass, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5705 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 475.00
$ 475.00 - $ 475.00
$ 475.00
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$ 593.00
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$ 593.00
$ 475.00
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$ 475.00

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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$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 475.00
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$ 475.00
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$ 736.00
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$ 736.00
$ 588.00
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$ 588.00

Foster FM4905, 5 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM4905 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 736.00
$ 736.00 - $ 736.00
$ 736.00
$ 588.00
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$ 588.00
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$ 785.00
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$ 785.00
$ 628.00
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$ 628.00

Foster FM5605, 5 Series, Industrial Coupler, Automatic, 1/4" Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5605 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 785.00
$ 785.00 - $ 785.00
$ 785.00
$ 628.00
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$ 628.00
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$ 695.00
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$ 695.00
$ 556.00
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$ 556.00

Foster FM1815, 5 Series, Industrial Coupler, Automatic, 1/2" Push-On Hose Barb, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM1815 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 695.00
$ 695.00 - $ 695.00
$ 695.00
$ 556.00
$ 556.00 - $ 556.00
$ 556.00
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