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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 %
$ 561.00
$ 561.00 - $ 561.00
$ 561.00
$ 450.00
$ 450.00 - $ 450.00
$ 450.00

Foster PP19-5, 1/2" Industrial Plug x Reusable Hose Fitting, 1/2" ID x 1" OD, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster PP19-5 is a Steel 1/2" industrial plug from the Foster 5 Series ...

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$ 561.00
$ 561.00 - $ 561.00
$ 561.00
$ 450.00
$ 450.00 - $ 450.00
$ 450.00
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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 %
$ 890.00
$ 890.00 - $ 890.00
$ 890.00
$ 712.00
$ 712.00 - $ 712.00
$ 712.00

Foster PP17-5, 1/2" Industrial Plug x Reusable Hose Fitting, 1/2" ID x 15/16" OD, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster PP17-5 is a Steel 1/2" industrial plug from the Foster 5 Series ...

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$ 890.00
$ 890.00 - $ 890.00
$ 890.00
$ 712.00
$ 712.00 - $ 712.00
$ 712.00
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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 %
$ 696.00
$ 696.00 - $ 696.00
$ 696.00
$ 557.00
$ 557.00 - $ 557.00
$ 557.00

Foster PP15-5, 1/2" Industrial Plug x Reusable Hose Fitting, 1/2" ID x 7/8" OD, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster PP15-5 is a Steel 1/2" industrial plug from the Foster 5 Series ...

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$ 696.00
$ 696.00 - $ 696.00
$ 696.00
$ 557.00
$ 557.00 - $ 557.00
$ 557.00
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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 %
$ 654.00
$ 654.00 - $ 654.00
$ 654.00
$ 522.00
$ 522.00 - $ 522.00
$ 522.00

Foster PP13-5, 1/2" Industrial Plug x Reusable Hose Fitting, 1/2" ID x 13/16" OD, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster PP13-5 is a Steel 1/2" industrial plug from the Foster 5 Series ...

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$ 654.00
$ 654.00 - $ 654.00
$ 654.00
$ 522.00
$ 522.00 - $ 522.00
$ 522.00
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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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$ 705.00
$ 705.00 - $ 705.00
$ 705.00
$ 564.00
$ 564.00 - $ 564.00
$ 564.00

Foster PD13-5, 1/2" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster PD13-5 is a Steel 1/2" industrial plug from the Foster 5 Series ...

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$ 705.00
$ 705.00 - $ 705.00
$ 705.00
$ 564.00
$ 564.00 - $ 564.00
$ 564.00
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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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$ 358.00
$ 358.00 - $ 358.00
$ 358.00
$ 286.00
$ 286.00 - $ 286.00
$ 286.00

Foster PD11-5, 1/2" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 3/4" OD, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster PD11-5 is a Steel 1/2" industrial plug from the Foster 5 Series ...

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$ 358.00
$ 358.00 - $ 358.00
$ 358.00
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
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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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$ 333.00
$ 333.00 - $ 333.00
$ 333.00
$ 268.00
$ 268.00 - $ 268.00
$ 268.00

Foster PD9-5, 1/2" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 11/16" OD, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster PD9-5 is a Steel 1/2" industrial plug from the Foster 5 Series —...

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$ 333.00
$ 333.00 - $ 333.00
$ 333.00
$ 268.00
$ 268.00 - $ 268.00
$ 268.00
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 %
$ 333.00
$ 333.00 - $ 333.00
$ 333.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00

Foster PD7-5, 1/2" Industrial Plug x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster PD7-5 is a Steel 1/2" industrial plug from the Foster 5 Series —...

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$ 333.00
$ 333.00 - $ 333.00
$ 333.00
$ 266.00
$ 266.00 - $ 266.00
$ 266.00
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 %
$ 515.00
$ 515.00 - $ 515.00
$ 515.00
$ 413.00
$ 413.00 - $ 413.00
$ 413.00

Foster 81-5B, 1/2" Industrial Plug x 1/2" Push-On Hose Stem, 5 Series, 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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$ 515.00
$ 515.00 - $ 515.00
$ 515.00
$ 413.00
$ 413.00 - $ 413.00
$ 413.00
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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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$ 182.00
$ 182.00 - $ 182.00
$ 182.00
$ 145.00
$ 145.00 - $ 145.00
$ 145.00

Foster 81-5, 1/2" Industrial Plug x 1/2" Push-On Hose Stem, 5 Series, Steel

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

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$ 182.00
$ 182.00 - $ 182.00
$ 182.00
$ 145.00
$ 145.00 - $ 145.00
$ 145.00
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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 %
$ 194.00
$ 194.00 - $ 194.00
$ 194.00
$ 155.00
$ 155.00 - $ 155.00
$ 155.00

Foster 71-5, 1/2" Industrial Plug x 3/8" Push-On Hose Stem, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 71-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 194.00
$ 194.00 - $ 194.00
$ 194.00
$ 155.00
$ 155.00 - $ 155.00
$ 155.00
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 %
$ 349.00
$ 349.00 - $ 349.00
$ 349.00
$ 279.00
$ 279.00 - $ 279.00
$ 279.00

Foster 61-5B, 1/2" Industrial Plug x 3/4" Hose ID, 5 Series, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 61-5B is a Brass 1/2" industrial plug from the Foster 5 Series —...

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$ 349.00
$ 349.00 - $ 349.00
$ 349.00
$ 279.00
$ 279.00 - $ 279.00
$ 279.00
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 %
$ 263.00
$ 263.00 - $ 263.00
$ 263.00
$ 210.00
$ 210.00 - $ 210.00
$ 210.00

Foster 61-5, 1/2" Industrial Plug x 3/4" Hose ID, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 61-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 263.00
$ 263.00 - $ 263.00
$ 263.00
$ 210.00
$ 210.00 - $ 210.00
$ 210.00
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 %
$ 215.00
$ 215.00 - $ 215.00
$ 215.00
$ 173.00
$ 173.00 - $ 173.00
$ 173.00

Foster 60-5B, 1/2" Industrial Plug x 1/2" Hose ID, 5 Series, 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
$ 215.00 - $ 215.00
$ 215.00
$ 173.00
$ 173.00 - $ 173.00
$ 173.00
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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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$ 256.00
$ 256.00 - $ 256.00
$ 256.00
$ 205.00
$ 205.00 - $ 205.00
$ 205.00

Foster 60-5G, 1/2" Industrial Plug x 1/2" Hose ID, 5 Series, Ball Check, Steel

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

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$ 256.00
$ 256.00 - $ 256.00
$ 256.00
$ 205.00
$ 205.00 - $ 205.00
$ 205.00
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 %
$ 124.00
$ 124.00 - $ 124.00
$ 124.00
$ 99.00
$ 99.00 - $ 99.00
$ 99.00

Foster 60-5, 1/2" Industrial Plug x 1/2" Hose ID, 5 Series, Steel

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

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$ 124.00
$ 124.00 - $ 124.00
$ 124.00
$ 99.00
$ 99.00 - $ 99.00
$ 99.00
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 %
$ 273.00
$ 273.00 - $ 273.00
$ 273.00
$ 219.00
$ 219.00 - $ 219.00
$ 219.00

Foster 59-5B, 1/2" Industrial Plug x 3/8" Hose ID, 5 Series, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 59-5B is a Brass 1/2" industrial plug from the Foster 5 Series —...

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$ 273.00
$ 273.00 - $ 273.00
$ 273.00
$ 219.00
$ 219.00 - $ 219.00
$ 219.00
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 %
$ 189.00
$ 189.00 - $ 189.00
$ 189.00
$ 152.00
$ 152.00 - $ 152.00
$ 152.00

Foster 59-5, 1/2" Industrial Plug x 3/8" Hose ID, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 59-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 189.00
$ 189.00 - $ 189.00
$ 189.00
$ 152.00
$ 152.00 - $ 152.00
$ 152.00
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 %
$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 194.00
$ 194.00 - $ 194.00
$ 194.00

Foster 54S-5, 1/2" Industrial Plug x 1/2" Male NPT, 5 Series, Free Swivel, Brass/Steel

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

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$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 194.00
$ 194.00 - $ 194.00
$ 194.00
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 %
$ 335.00
$ 335.00 - $ 335.00
$ 335.00
$ 268.00
$ 268.00 - $ 268.00
$ 268.00

Foster 52S-5, 1/2" Industrial Plug x 3/8" Male NPT, 5 Series, Free Swivel, Brass/Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 52S-5 is a Brass/Steel 1/2" industrial plug from the Foster 5 Se...

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$ 335.00
$ 335.00 - $ 335.00
$ 335.00
$ 268.00
$ 268.00 - $ 268.00
$ 268.00
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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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$ 247.00
$ 247.00 - $ 247.00
$ 247.00
$ 198.00
$ 198.00 - $ 198.00
$ 198.00

Foster 57-5, 1/2" Industrial Plug x 3/4" Female NPT, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 57-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 247.00
$ 247.00 - $ 247.00
$ 247.00
$ 198.00
$ 198.00 - $ 198.00
$ 198.00
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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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$ 309.00
$ 309.00 - $ 309.00
$ 309.00
$ 247.00
$ 247.00 - $ 247.00
$ 247.00

Foster 55-5S/S, 1/2" Industrial Plug x 1/2" Female NPT, 5 Series, 303 Stainless

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 55-5S/S is a 303 Stainless 1/2" industrial plug from the Foster ...

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$ 309.00
$ 309.00 - $ 309.00
$ 309.00
$ 247.00
$ 247.00 - $ 247.00
$ 247.00
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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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$ 139.00
$ 139.00 - $ 139.00
$ 139.00
$ 111.00
$ 111.00 - $ 111.00
$ 111.00

Foster 55-5, 1/2" Industrial Plug x 1/2" Female NPT, 5 Series, Steel

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster 55-5 is a Steel 1/2" industrial plug from the Foster 5 Series — ...

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$ 139.00
$ 139.00 - $ 139.00
$ 139.00
$ 111.00
$ 111.00 - $ 111.00
$ 111.00
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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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$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00

Foster 53-5, 1/2" Industrial Plug x 3/8" Female NPT, 5 Series, 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
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
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