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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 %
$ 824.00
$ 824.00 - $ 824.00
$ 824.00
$ 659.00
$ 659.00 - $ 659.00
$ 659.00

Foster SV4104, 3/8" Industrial Coupler x 1/4" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4104 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 824.00
$ 824.00 - $ 824.00
$ 824.00
$ 659.00
$ 659.00 - $ 659.00
$ 659.00
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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 %
$ 824.00
$ 824.00 - $ 824.00
$ 824.00
$ 659.00
$ 659.00 - $ 659.00
$ 659.00

Foster SV4004, 3/8" Industrial Coupler x 1/4" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4004 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 824.00
$ 824.00 - $ 824.00
$ 824.00
$ 659.00
$ 659.00 - $ 659.00
$ 659.00
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 %
$ 692.00
$ 692.00 - $ 692.00
$ 692.00
$ 553.00
$ 553.00 - $ 553.00
$ 553.00

Foster SV3703, 1/4" Industrial Coupler x 3/8" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3703 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 692.00
$ 692.00 - $ 692.00
$ 692.00
$ 553.00
$ 553.00 - $ 553.00
$ 553.00
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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 %
$ 692.00
$ 692.00 - $ 692.00
$ 692.00
$ 553.00
$ 553.00 - $ 553.00
$ 553.00

Foster SV3603, 1/4" Industrial Coupler x 1/4" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3603 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 692.00
$ 692.00 - $ 692.00
$ 692.00
$ 553.00
$ 553.00 - $ 553.00
$ 553.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 674.00
$ 674.00 - $ 674.00
$ 674.00
$ 539.00
$ 539.00 - $ 539.00
$ 539.00

Foster SV3303, 1/4" Industrial Coupler x 3/8" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3303 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 674.00
$ 674.00 - $ 674.00
$ 674.00
$ 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 %
$ 674.00
$ 674.00 - $ 674.00
$ 674.00
$ 539.00
$ 539.00 - $ 539.00
$ 539.00

Foster SV3203, 1/4" Industrial Coupler x 3/8" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3203 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 674.00
$ 674.00 - $ 674.00
$ 674.00
$ 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 %
$ 647.00
$ 647.00 - $ 647.00
$ 647.00
$ 517.00
$ 517.00 - $ 517.00
$ 517.00

Foster SV3103, 1/4" Industrial Coupler x 1/4" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3103 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 647.00
$ 647.00 - $ 647.00
$ 647.00
$ 517.00
$ 517.00 - $ 517.00
$ 517.00
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 %
$ 647.00
$ 647.00 - $ 647.00
$ 647.00
$ 517.00
$ 517.00 - $ 517.00
$ 517.00

Foster SV3003, 1/4" Industrial Coupler x 1/4" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3003 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 647.00
$ 647.00 - $ 647.00
$ 647.00
$ 517.00
$ 517.00 - $ 517.00
$ 517.00
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 %
$ 1,070.00
$ 1,070.00 - $ 1,070.00
$ 1,070.00
$ 856.00
$ 856.00 - $ 856.00
$ 856.00

Foster SV1815, 1/2" Industrial Coupler x 1/2" Push-On Hose Stem, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV1815 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 1,070.00
$ 1,070.00 - $ 1,070.00
$ 1,070.00
$ 856.00
$ 856.00 - $ 856.00
$ 856.00
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 %
$ 678.00
$ 678.00 - $ 678.00
$ 678.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00

Foster LNSD9, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSD9 is a brass and steel 1/4" coupler from the Fos...

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$ 678.00
$ 678.00 - $ 678.00
$ 678.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00
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 %
$ 676.00
$ 676.00 - $ 676.00
$ 676.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00

Foster LNSD7, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSD7 is a brass and steel 1/4" coupler from the Fos...

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$ 676.00
$ 676.00 - $ 676.00
$ 676.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00
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 %
$ 1,257.00
$ 1,257.00 - $ 1,257.00
$ 1,257.00
$ 1,005.00
$ 1,005.00 - $ 1,005.00
$ 1,005.00

Foster LNSD13, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSD13 is a brass and steel 1/4" coupler from the Fo...

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$ 1,257.00
$ 1,257.00 - $ 1,257.00
$ 1,257.00
$ 1,005.00
$ 1,005.00 - $ 1,005.00
$ 1,005.00
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 %
$ 702.00
$ 702.00 - $ 702.00
$ 702.00
$ 562.00
$ 562.00 - $ 562.00
$ 562.00

Foster LNSD11, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSD11 is a brass and steel 1/4" coupler from the Fo...

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$ 702.00
$ 702.00 - $ 702.00
$ 702.00
$ 562.00
$ 562.00 - $ 562.00
$ 562.00
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 %
$ 1,382.00
$ 1,382.00 - $ 1,382.00
$ 1,382.00
$ 1,104.00
$ 1,104.00 - $ 1,104.00
$ 1,104.00

Foster LNSC7, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSC7 is a brass and steel 1/4" coupler from the Fos...

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$ 1,382.00
$ 1,382.00 - $ 1,382.00
$ 1,382.00
$ 1,104.00
$ 1,104.00 - $ 1,104.00
$ 1,104.00
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 %
$ 1,349.00
$ 1,349.00 - $ 1,349.00
$ 1,349.00
$ 1,080.00
$ 1,080.00 - $ 1,080.00
$ 1,080.00

Foster LNSC5, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSC5 is a brass and steel 1/4" coupler from the Fos...

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$ 1,349.00
$ 1,349.00 - $ 1,349.00
$ 1,349.00
$ 1,080.00
$ 1,080.00 - $ 1,080.00
$ 1,080.00
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 %
$ 1,094.00
$ 1,094.00 - $ 1,094.00
$ 1,094.00
$ 875.00
$ 875.00 - $ 875.00
$ 875.00

Foster LNSB7, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSB7 is a brass and steel 1/4" coupler from the Fos...

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$ 1,094.00
$ 1,094.00 - $ 1,094.00
$ 1,094.00
$ 875.00
$ 875.00 - $ 875.00
$ 875.00
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 %
$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 475.00
$ 475.00 - $ 475.00
$ 475.00

Foster LN3703M, 1/4" Lincoln Long Nose Coupler x 3/8" Hose ID, LN Series, Manual, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3703M is a brass and steel 1/4" coupler from the F...

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$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 475.00
$ 475.00 - $ 475.00
$ 475.00
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 %
$ 648.00
$ 648.00 - $ 648.00
$ 648.00
$ 518.00
$ 518.00 - $ 518.00
$ 518.00

Foster LNSB5, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSB5 is a brass and steel 1/4" coupler from the Fos...

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$ 648.00
$ 648.00 - $ 648.00
$ 648.00
$ 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 %
$ 668.00
$ 668.00 - $ 668.00
$ 668.00
$ 534.00
$ 534.00 - $ 534.00
$ 534.00

Foster LNSB3, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSB3 is a brass and steel 1/4" coupler from the Fos...

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$ 668.00
$ 668.00 - $ 668.00
$ 668.00
$ 534.00
$ 534.00 - $ 534.00
$ 534.00
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 %
$ 718.00
$ 718.00 - $ 718.00
$ 718.00
$ 574.00
$ 574.00 - $ 574.00
$ 574.00

Foster LN3703, 1/4" Lincoln Long Nose Coupler x 3/8" Hose ID, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3703 is a brass and steel 1/4" coupler from the Fo...

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$ 718.00
$ 718.00 - $ 718.00
$ 718.00
$ 574.00
$ 574.00 - $ 574.00
$ 574.00
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 %
$ 1,151.00
$ 1,151.00 - $ 1,151.00
$ 1,151.00
$ 922.00
$ 922.00 - $ 922.00
$ 922.00

Foster LN3653, 1/4" Lincoln Long Nose Coupler x 5/16" Hose ID, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3653 is a brass and steel 1/4" coupler from the Fo...

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$ 1,151.00
$ 1,151.00 - $ 1,151.00
$ 1,151.00
$ 922.00
$ 922.00 - $ 922.00
$ 922.00
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 %
$ 596.00
$ 596.00 - $ 596.00
$ 596.00
$ 477.00
$ 477.00 - $ 477.00
$ 477.00

Foster LN3603M, 1/4" Lincoln Long Nose Coupler x 1/4" Hose ID, LN Series, Manual, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3603M is a brass and steel 1/4" coupler from the F...

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$ 596.00
$ 596.00 - $ 596.00
$ 596.00
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
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 %
$ 697.00
$ 697.00 - $ 697.00
$ 697.00
$ 557.00
$ 557.00 - $ 557.00
$ 557.00

Foster LN3603, 1/4" Lincoln Long Nose Coupler x 1/4" Hose ID, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3603 is a brass and steel 1/4" coupler from the Fo...

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$ 697.00
$ 697.00 - $ 697.00
$ 697.00
$ 557.00
$ 557.00 - $ 557.00
$ 557.00
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 %
$ 590.00
$ 590.00 - $ 590.00
$ 590.00
$ 472.00
$ 472.00 - $ 472.00
$ 472.00

Foster LN3303M, 1/4" Lincoln Long Nose Coupler x 3/8" Male NPT, LN Series, Manual, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3303M is a brass and steel 1/4" coupler from the F...

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$ 590.00
$ 590.00 - $ 590.00
$ 590.00
$ 472.00
$ 472.00 - $ 472.00
$ 472.00
Save 20% Save %

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