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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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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 543.00
$ 543.00 - $ 543.00
$ 543.00
$ 434.00
$ 434.00 - $ 434.00
$ 434.00

Foster 1815W, 1/2" Industrial Coupler x 1/2" Push-On Hose Stem, 5 Series, Water, Brass/SS

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

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$ 543.00
$ 543.00 - $ 543.00
$ 543.00
$ 434.00
$ 434.00 - $ 434.00
$ 434.00
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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 %
$ 525.00
$ 525.00 - $ 525.00
$ 525.00
$ 420.00
$ 420.00 - $ 420.00
$ 420.00

Foster 1815, 1/2" Industrial Coupler x 1/2" Push-On Hose Stem, 5 Series, 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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$ 525.00
$ 525.00 - $ 525.00
$ 525.00
$ 420.00
$ 420.00 - $ 420.00
$ 420.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 649.00
$ 649.00 - $ 649.00
$ 649.00
$ 518.00
$ 518.00 - $ 518.00
$ 518.00

Foster BL5505, 1/2" Industrial Coupler x 3/4" Male NPT, 5 Series, Ball Lock, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5505 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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$ 649.00
$ 649.00 - $ 649.00
$ 649.00
$ 518.00
$ 518.00 - $ 518.00
$ 518.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 559.00
$ 559.00 - $ 559.00
$ 559.00
$ 448.00
$ 448.00 - $ 448.00
$ 448.00

Foster 5505, 1/2" Industrial Coupler x 3/4" Male NPT, 5 Series, 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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$ 559.00
$ 559.00 - $ 559.00
$ 559.00
$ 448.00
$ 448.00 - $ 448.00
$ 448.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 657.00
$ 657.00 - $ 657.00
$ 657.00
$ 525.00
$ 525.00 - $ 525.00
$ 525.00

Foster 5305W, 1/2" Industrial Coupler x 1/2" Male NPT, 5 Series, Water, Brass/SS

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5305W is a Brass/SS 1/2" industrial coupler from the Foster 5 Se...

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$ 657.00
$ 657.00 - $ 657.00
$ 657.00
$ 525.00
$ 525.00 - $ 525.00
$ 525.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 996.00
$ 996.00 - $ 996.00
$ 996.00
$ 797.00
$ 797.00 - $ 797.00
$ 797.00

Foster 5305S/S, 1/2" Industrial Coupler x 1/2" Male NPT, 5 Series, 303 Stainless

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5305S/S is a 303 Stainless 1/2" industrial coupler from the Fost...

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$ 996.00
$ 996.00 - $ 996.00
$ 996.00
$ 797.00
$ 797.00 - $ 797.00
$ 797.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 465.00
$ 465.00 - $ 465.00
$ 465.00

Foster 5305H, 1/2" Industrial Coupler x 1/2" Male NPT, 5 Series, Heat/Viton, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5305H is a Brass/Steel 1/2" industrial coupler from the Foster 5...

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$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 465.00
$ 465.00 - $ 465.00
$ 465.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 642.00
$ 642.00 - $ 642.00
$ 642.00
$ 513.00
$ 513.00 - $ 513.00
$ 513.00

Foster BL5305, 1/2" Industrial Coupler x 1/2" Male NPT, 5 Series, Ball Lock, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5305 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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$ 642.00
$ 642.00 - $ 642.00
$ 642.00
$ 513.00
$ 513.00 - $ 513.00
$ 513.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 435.00
$ 435.00 - $ 435.00
$ 435.00

Foster 5305, 1/2" Industrial Coupler x 1/2" Male NPT, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5305 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 435.00
$ 435.00 - $ 435.00
$ 435.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 634.00
$ 634.00 - $ 634.00
$ 634.00
$ 508.00
$ 508.00 - $ 508.00
$ 508.00

Foster BL5105, 1/2" Industrial Coupler x 3/8" Male NPT, 5 Series, Ball Lock, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5105 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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$ 634.00
$ 634.00 - $ 634.00
$ 634.00
$ 508.00
$ 508.00 - $ 508.00
$ 508.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 559.00
$ 559.00 - $ 559.00
$ 559.00
$ 446.00
$ 446.00 - $ 446.00
$ 446.00

Foster 5105, 1/2" Industrial Coupler x 3/8" Male NPT, 5 Series, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5105 is a Brass/Steel 1/2" industrial coupler from the Foster 5 ...

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$ 559.00
$ 559.00 - $ 559.00
$ 559.00
$ 446.00
$ 446.00 - $ 446.00
$ 446.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 700.00
$ 700.00 - $ 700.00
$ 700.00
$ 559.00
$ 559.00 - $ 559.00
$ 559.00

Foster BL4905, 1/2" Industrial Coupler x 1/4" Male NPT, 5 Series, Ball Lock, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL4905 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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$ 700.00
$ 700.00 - $ 700.00
$ 700.00
$ 559.00
$ 559.00 - $ 559.00
$ 559.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 601.00
$ 601.00 - $ 601.00
$ 601.00
$ 481.00
$ 481.00 - $ 481.00
$ 481.00

Foster 4905, 1/2" Industrial Coupler x 1/4" Male NPT, 5 Series, 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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$ 601.00
$ 601.00 - $ 601.00
$ 601.00
$ 481.00
$ 481.00 - $ 481.00
$ 481.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 664.00
$ 664.00 - $ 664.00
$ 664.00
$ 532.00
$ 532.00 - $ 532.00
$ 532.00

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

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

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$ 664.00
$ 664.00 - $ 664.00
$ 664.00
$ 532.00
$ 532.00 - $ 532.00
$ 532.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 649.00
$ 649.00 - $ 649.00
$ 649.00
$ 518.00
$ 518.00 - $ 518.00
$ 518.00

Foster BL5405, 1/2" Industrial Coupler x 3/4" Female NPT, 5 Series, Ball Lock, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5405 is a Brass/Steel 1/2" industrial coupler from the Foster ...

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$ 649.00
$ 649.00 - $ 649.00
$ 649.00
$ 518.00
$ 518.00 - $ 518.00
$ 518.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 442.00
$ 442.00 - $ 442.00
$ 442.00

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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$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 442.00
$ 442.00 - $ 442.00
$ 442.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 657.00
$ 657.00 - $ 657.00
$ 657.00
$ 525.00
$ 525.00 - $ 525.00
$ 525.00

Foster 5205W, 1/2" Industrial Coupler x 1/2" Female NPT, 5 Series, Water, Brass/SS

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

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$ 657.00
$ 657.00 - $ 657.00
$ 657.00
$ 525.00
$ 525.00 - $ 525.00
$ 525.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,022.00
$ 1,022.00 - $ 1,022.00
$ 1,022.00
$ 818.00
$ 818.00 - $ 818.00
$ 818.00

Foster 5205S/S, 1/2" Industrial Coupler x 1/2" Female NPT, 5 Series, 303 Stainless

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 5205S/S is a 303 Stainless 1/2" industrial coupler from the Fost...

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$ 1,022.00
$ 1,022.00 - $ 1,022.00
$ 1,022.00
$ 818.00
$ 818.00 - $ 818.00
$ 818.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 513.00
$ 513.00 - $ 513.00
$ 513.00
$ 411.00
$ 411.00 - $ 411.00
$ 411.00

Foster 5205LV, 1/2" Industrial Coupler x 1/2" Female NPT, 5 Series, Less Valve, Brass/Steel

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

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$ 513.00
$ 513.00 - $ 513.00
$ 513.00
$ 411.00
$ 411.00 - $ 411.00
$ 411.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 465.00
$ 465.00 - $ 465.00
$ 465.00

Foster 5205H, 1/2" Industrial Coupler x 1/2" Female NPT, 5 Series, Heat/Viton, Brass/Steel

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

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$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 465.00
$ 465.00 - $ 465.00
$ 465.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 642.00
$ 642.00 - $ 642.00
$ 642.00
$ 513.00
$ 513.00 - $ 513.00
$ 513.00

Foster BL5205, 1/2" Industrial Coupler x 1/2" Female NPT, 5 Series, Ball Lock, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster BL5205 is a Brass/Steel 1/2" industrial coupler from the Foster ...

View full details
$ 642.00
$ 642.00 - $ 642.00
$ 642.00
$ 513.00
$ 513.00 - $ 513.00
$ 513.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 538.00
$ 538.00 - $ 538.00
$ 538.00
$ 430.00
$ 430.00 - $ 430.00
$ 430.00

Foster 5205, 1/2" Industrial Coupler x 1/2" Female NPT, 5 Series, 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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$ 538.00
$ 538.00 - $ 538.00
$ 538.00
$ 430.00
$ 430.00 - $ 430.00
$ 430.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 675.00
$ 675.00 - $ 675.00
$ 675.00
$ 539.00
$ 539.00 - $ 539.00
$ 539.00

Foster 5005W, 1/2" Industrial Coupler x 3/8" Female NPT, 5 Series, Water, Brass/SS

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

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$ 675.00
$ 675.00 - $ 675.00
$ 675.00
$ 539.00
$ 539.00 - $ 539.00
$ 539.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 575.00
$ 575.00 - $ 575.00
$ 575.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00

Foster 5005H, 1/2" Industrial Coupler x 3/8" Female NPT, 5 Series, Heat/Viton, Brass/Steel

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

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$ 575.00
$ 575.00 - $ 575.00
$ 575.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00
Save 20% Save %

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