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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 %
$ 19.29
$ 19.29 - $ 19.29
$ 19.29
$ 15.49
$ 15.49 - $ 15.49
$ 15.49

Foster 210-2903, 1/4" ARO Coupler x 1/8" Male NPT, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-2903 is a brass and steel 1/4" coupler from t...

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$ 19.29
$ 19.29 - $ 19.29
$ 19.29
$ 15.49
$ 15.49 - $ 15.49
$ 15.49
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 %
$ 63.59
$ 63.59 - $ 63.59
$ 63.59
$ 50.89
$ 50.89 - $ 50.89
$ 50.89

Foster 210-2803S/S, 1/4" ARO Coupler x 1/8" Female NPT, 210 Series, Automatic, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-2803S/S is a 303 stainless steel 1/4" coupler...

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$ 63.59
$ 63.59 - $ 63.59
$ 63.59
$ 50.89
$ 50.89 - $ 50.89
$ 50.89
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 %
$ 20.59
$ 20.59 - $ 20.59
$ 20.59
$ 16.49
$ 16.49 - $ 16.49
$ 16.49

Foster 210-2803, 1/4" ARO Coupler x 1/8" Female NPT, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-2803 is a brass and steel 1/4" coupler from t...

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$ 20.59
$ 20.59 - $ 20.59
$ 20.59
$ 16.49
$ 16.49 - $ 16.49
$ 16.49
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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 %
$ 18.09
$ 18.09 - $ 18.09
$ 18.09
$ 14.49
$ 14.49 - $ 14.49
$ 14.49

Foster 210-1713, 1/4" ARO Coupler x Push-On Hose Stem, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-1713 is a brass and steel 1/4" coupler from t...

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$ 18.09
$ 18.09 - $ 18.09
$ 18.09
$ 14.49
$ 14.49 - $ 14.49
$ 14.49
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 5.29
$ 5.29 - $ 5.29
$ 5.29
$ 4.19
$ 4.19 - $ 4.19
$ 4.19

Foster 210-17, 1/4" ARO Plug x 3/8" Hose ID, 210 Series, Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-17 is a steel 1/4" plug from the Foster 210 S...

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$ 5.29
$ 5.29 - $ 5.29
$ 5.29
$ 4.19
$ 4.19 - $ 4.19
$ 4.19
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 14.79
$ 14.79 - $ 14.79
$ 14.79
$ 11.79
$ 11.79 - $ 11.79
$ 11.79

Foster 210-165, 1/4" ARO Plug x 5/16" Hose ID, 210 Series, Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-165 is a steel 1/4" plug from the Foster 210 ...

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$ 14.79
$ 14.79 - $ 14.79
$ 14.79
$ 11.79
$ 11.79 - $ 11.79
$ 11.79
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 6.19
$ 6.19 - $ 6.19
$ 6.19
$ 4.99
$ 4.99 - $ 4.99
$ 4.99

Foster 210-16, 1/4" ARO Plug x 1/4" Hose ID, 210 Series, Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-16 is a steel 1/4" plug from the Foster 210 S...

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$ 6.19
$ 6.19 - $ 6.19
$ 6.19
$ 4.99
$ 4.99 - $ 4.99
$ 4.99
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 16.99
$ 16.99 - $ 16.99
$ 16.99
$ 13.59
$ 13.59 - $ 13.59
$ 13.59

Foster 210-1513, 1/4" ARO Coupler x Push-On Hose Stem, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-1513 is a brass and steel 1/4" coupler from t...

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$ 16.99
$ 16.99 - $ 16.99
$ 16.99
$ 13.59
$ 13.59 - $ 13.59
$ 13.59
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 %
$ 5.49
$ 5.49 - $ 5.49
$ 5.49
$ 4.39
$ 4.39 - $ 4.39
$ 4.39

Foster 210-12, 1/4" ARO Plug x 1/8" Male NPT, 210 Series, Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-12 is a steel 1/4" plug from the Foster 210 S...

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$ 5.49
$ 5.49 - $ 5.49
$ 5.49
$ 4.39
$ 4.39 - $ 4.39
$ 4.39
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 %
$ 17.49
$ 17.49 - $ 17.49
$ 17.49
$ 13.99
$ 13.99 - $ 13.99
$ 13.99

Foster 210-11S/S, 1/4" ARO Plug x 1/4" Female NPT, 210 Series, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-11S/S is a 303 stainless steel 1/4" plug from...

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$ 17.49
$ 17.49 - $ 17.49
$ 17.49
$ 13.99
$ 13.99 - $ 13.99
$ 13.99
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 3.29
$ 3.29 - $ 3.29
$ 3.29
$ 2.59
$ 2.59 - $ 2.59
$ 2.59

Foster 210-11, 1/4" ARO Plug x 1/4" Female NPT, 210 Series, Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-11 is a steel 1/4" plug from the Foster 210 S...

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$ 3.29
$ 3.29 - $ 3.29
$ 3.29
$ 2.59
$ 2.59 - $ 2.59
$ 2.59
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 19.39
$ 19.39 - $ 19.39
$ 19.39
$ 15.49
$ 15.49 - $ 15.49
$ 15.49

Foster 210-10S/S, 1/4" ARO Plug x 1/4" Male NPT, 210 Series, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-10S/S is a 303 stainless steel 1/4" plug from...

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$ 19.39
$ 19.39 - $ 19.39
$ 19.39
$ 15.49
$ 15.49 - $ 15.49
$ 15.49
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 3.09
$ 3.09 - $ 3.09
$ 3.09
$ 2.49
$ 2.49 - $ 2.49
$ 2.49

Foster 210-10, 1/4" ARO Plug x 1/4" Male NPT, 210 Series, Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-10 is a steel 1/4" plug from the Foster 210 S...

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$ 3.09
$ 3.09 - $ 3.09
$ 3.09
$ 2.49
$ 2.49 - $ 2.49
$ 2.49
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 37.39
$ 37.39 - $ 37.39
$ 37.39
$ 29.89
$ 29.89 - $ 29.89
$ 29.89

Foster 310-SD9, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SD9 is a brass and steel 3/8" coupler from th...

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$ 37.39
$ 37.39 - $ 37.39
$ 37.39
$ 29.89
$ 29.89 - $ 29.89
$ 29.89
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 %
$ 37.09
$ 37.09 - $ 37.09
$ 37.09
$ 29.69
$ 29.69 - $ 29.69
$ 29.69

Foster 310-SD7, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SD7 is a brass and steel 3/8" coupler from th...

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$ 37.09
$ 37.09 - $ 37.09
$ 37.09
$ 29.69
$ 29.69 - $ 29.69
$ 29.69
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 %
$ 38.19
$ 38.19 - $ 38.19
$ 38.19
$ 30.49
$ 30.49 - $ 30.49
$ 30.49

Foster 310-SD13, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SD13 is a brass and steel 3/8" coupler from t...

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$ 38.19
$ 38.19 - $ 38.19
$ 38.19
$ 30.49
$ 30.49 - $ 30.49
$ 30.49
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 %
$ 37.49
$ 37.49 - $ 37.49
$ 37.49
$ 29.99
$ 29.99 - $ 29.99
$ 29.99

Foster 310-SD11, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SD11 is a brass and steel 3/8" coupler from t...

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$ 37.49
$ 37.49 - $ 37.49
$ 37.49
$ 29.99
$ 29.99 - $ 29.99
$ 29.99
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 %
$ 40.39
$ 40.39 - $ 40.39
$ 40.39
$ 32.29
$ 32.29 - $ 32.29
$ 32.29

Foster 310-SB7, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SB7 is a brass and steel 3/8" coupler from th...

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$ 40.39
$ 40.39 - $ 40.39
$ 40.39
$ 32.29
$ 32.29 - $ 32.29
$ 32.29
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 %
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99

Foster 310-SB5, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SB5 is a brass and steel 3/8" coupler from th...

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$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99
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 %
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99

Foster 310-SB3, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SB3 is a brass and steel 3/8" coupler from th...

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$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.99
$ 31.99 - $ 31.99
$ 31.99
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 %
$ 45.39
$ 45.39 - $ 45.39
$ 45.39
$ 36.29
$ 36.29 - $ 36.29
$ 36.29

Foster 310M-4904, 3/8" ARO Coupler x 1/2" Hose ID, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4904 is a brass and steel 3/8" coupler from ...

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$ 45.39
$ 45.39 - $ 45.39
$ 45.39
$ 36.29
$ 36.29 - $ 36.29
$ 36.29
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 %
$ 44.99
$ 44.99 - $ 44.99
$ 44.99
$ 35.99
$ 35.99 - $ 35.99
$ 35.99

Foster 310M-4804NP, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Manual, Nickel-Plated Brass/Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4804NP is a nickel-plated brass/steel 3/8" c...

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$ 44.99
$ 44.99 - $ 44.99
$ 44.99
$ 35.99
$ 35.99 - $ 35.99
$ 35.99
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 %
$ 32.29
$ 32.29 - $ 32.29
$ 32.29
$ 25.89
$ 25.89 - $ 25.89
$ 25.89

Foster 310M-4804, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4804 is a brass and steel 3/8" coupler from ...

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$ 32.29
$ 32.29 - $ 32.29
$ 32.29
$ 25.89
$ 25.89 - $ 25.89
$ 25.89
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 %
$ 38.99
$ 38.99 - $ 38.99
$ 38.99
$ 31.19
$ 31.19 - $ 31.19
$ 31.19

Foster 310M-4704, 3/8" ARO Coupler x 5/16" Hose ID, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4704 is a brass and steel 3/8" coupler from ...

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$ 38.99
$ 38.99 - $ 38.99
$ 38.99
$ 31.19
$ 31.19 - $ 31.19
$ 31.19
Save 20% Save %

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