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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 %
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.19
$ 22.19 - $ 22.19
$ 22.19

Foster 210-SD9, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SD9 is a brass and steel 1/4" coupler from th...

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$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.19
$ 22.19 - $ 22.19
$ 22.19
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 %
$ 26.89
$ 26.89 - $ 26.89
$ 26.89
$ 21.59
$ 21.59 - $ 21.59
$ 21.59

Foster 210-SD7, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SD7 is a brass and steel 1/4" coupler from th...

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$ 26.89
$ 26.89 - $ 26.89
$ 26.89
$ 21.59
$ 21.59 - $ 21.59
$ 21.59
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 %
$ 29.89
$ 29.89 - $ 29.89
$ 29.89
$ 23.89
$ 23.89 - $ 23.89
$ 23.89

Foster 210-SD13, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SD13 is a brass and steel 1/4" coupler from t...

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$ 29.89
$ 29.89 - $ 29.89
$ 29.89
$ 23.89
$ 23.89 - $ 23.89
$ 23.89
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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 %
$ 28.09
$ 28.09 - $ 28.09
$ 28.09
$ 22.49
$ 22.49 - $ 22.49
$ 22.49

Foster 210-SD11, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SD11 is a brass and steel 1/4" coupler from t...

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$ 28.09
$ 28.09 - $ 28.09
$ 28.09
$ 22.49
$ 22.49 - $ 22.49
$ 22.49
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 %
$ 34.39
$ 34.39 - $ 34.39
$ 34.39
$ 27.59
$ 27.59 - $ 27.59
$ 27.59

Foster 210-SC7, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SC7 is a brass and steel 1/4" coupler from th...

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$ 34.39
$ 34.39 - $ 34.39
$ 34.39
$ 27.59
$ 27.59 - $ 27.59
$ 27.59
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 %
$ 33.99
$ 33.99 - $ 33.99
$ 33.99
$ 27.19
$ 27.19 - $ 27.19
$ 27.19

Foster 210-SC5, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SC5 is a brass and steel 1/4" coupler from th...

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$ 33.99
$ 33.99 - $ 33.99
$ 33.99
$ 27.19
$ 27.19 - $ 27.19
$ 27.19
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 %
$ 65.89
$ 65.89 - $ 65.89
$ 65.89
$ 52.69
$ 52.69 - $ 52.69
$ 52.69

Foster 210-SB7S/S, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SB7S/S is a 303 stainless steel 1/4" coupler ...

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$ 65.89
$ 65.89 - $ 65.89
$ 65.89
$ 52.69
$ 52.69 - $ 52.69
$ 52.69
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 %
$ 22.99
$ 22.99 - $ 22.99
$ 22.99
$ 18.39
$ 18.39 - $ 18.39
$ 18.39

Foster 210-SB7, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SB7 is a brass and steel 1/4" coupler from th...

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$ 22.99
$ 22.99 - $ 22.99
$ 22.99
$ 18.39
$ 18.39 - $ 18.39
$ 18.39
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 %
$ 22.79
$ 22.79 - $ 22.79
$ 22.79
$ 18.19
$ 18.19 - $ 18.19
$ 18.19

Foster 210-SB5, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SB5 is a brass and steel 1/4" coupler from th...

View full details
$ 22.79
$ 22.79 - $ 22.79
$ 22.79
$ 18.19
$ 18.19 - $ 18.19
$ 18.19
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 %
$ 65.89
$ 65.89 - $ 65.89
$ 65.89
$ 52.69
$ 52.69 - $ 52.69
$ 52.69

Foster 210-SB3S/S, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SB3S/S is a 303 stainless steel 1/4" coupler ...

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$ 65.89
$ 65.89 - $ 65.89
$ 65.89
$ 52.69
$ 52.69 - $ 52.69
$ 52.69
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 %
$ 21.29
$ 21.29 - $ 21.29
$ 21.29
$ 17.09
$ 17.09 - $ 17.09
$ 17.09

Foster 210-SB3, 1/4" ARO Coupler x Reusable Hose Clamp Fitting, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-SB3 is a brass and steel 1/4" coupler from th...

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$ 21.29
$ 21.29 - $ 21.29
$ 21.29
$ 17.09
$ 17.09 - $ 17.09
$ 17.09
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 %
$ 24.09
$ 24.09 - $ 24.09
$ 24.09
$ 19.29
$ 19.29 - $ 19.29
$ 19.29

Foster 210M-3703, 1/4" ARO Coupler x 3/8" Hose ID, 210 Series, Manual, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3703 is a brass and steel 1/4" coupler from ...

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$ 24.09
$ 24.09 - $ 24.09
$ 24.09
$ 19.29
$ 19.29 - $ 19.29
$ 19.29
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 %
$ 76.09
$ 76.09 - $ 76.09
$ 76.09
$ 60.89
$ 60.89 - $ 60.89
$ 60.89

Foster 210M-3653S/S, 1/4" ARO Coupler x 1/4" Hose ID, 210 Series, Manual, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3653S/S is a 303 stainless steel 1/4" couple...

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$ 76.09
$ 76.09 - $ 76.09
$ 76.09
$ 60.89
$ 60.89 - $ 60.89
$ 60.89
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 %
$ 66.39
$ 66.39 - $ 66.39
$ 66.39
$ 53.09
$ 53.09 - $ 53.09
$ 53.09

Foster 210M-3603S/S, 1/4" ARO Coupler x 1/4" Hose ID, 210 Series, Manual, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3603S/S is a 303 stainless steel 1/4" couple...

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$ 66.39
$ 66.39 - $ 66.39
$ 66.39
$ 53.09
$ 53.09 - $ 53.09
$ 53.09
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 %
$ 29.89
$ 29.89 - $ 29.89
$ 29.89
$ 23.89
$ 23.89 - $ 23.89
$ 23.89

Foster 210M-3603NP, 1/4" ARO Coupler x 1/4" Hose ID, 210 Series, Manual, Nickel-Plated Brass/Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3603NP is a nickel-plated brass/steel 1/4" c...

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$ 29.89
$ 29.89 - $ 29.89
$ 29.89
$ 23.89
$ 23.89 - $ 23.89
$ 23.89
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 %
$ 17.09
$ 17.09 - $ 17.09
$ 17.09
$ 13.69
$ 13.69 - $ 13.69
$ 13.69

Foster 210M-3603, 1/4" ARO Coupler x 1/4" Hose ID, 210 Series, Manual, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3603 is a brass and steel 1/4" coupler from ...

View full details
$ 17.09
$ 17.09 - $ 17.09
$ 17.09
$ 13.69
$ 13.69 - $ 13.69
$ 13.69
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 %
$ 53.09
$ 53.09 - $ 53.09
$ 53.09
$ 42.49
$ 42.49 - $ 42.49
$ 42.49

Foster 210M-3303S/S, 1/4" ARO Coupler x 3/8" Male NPT, 210 Series, Manual, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3303S/S is a 303 stainless steel 1/4" couple...

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$ 53.09
$ 53.09 - $ 53.09
$ 53.09
$ 42.49
$ 42.49 - $ 42.49
$ 42.49
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 %
$ 23.29
$ 23.29 - $ 23.29
$ 23.29
$ 18.69
$ 18.69 - $ 18.69
$ 18.69

Foster 210M-3303, 1/4" ARO Coupler x 3/8" Male NPT, 210 Series, Manual, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3303 is a brass and steel 1/4" coupler from ...

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$ 23.29
$ 23.29 - $ 23.29
$ 23.29
$ 18.69
$ 18.69 - $ 18.69
$ 18.69
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 %
$ 53.49
$ 53.49 - $ 53.49
$ 53.49
$ 42.79
$ 42.79 - $ 42.79
$ 42.79

Foster 210M-3203S/S, 1/4" ARO Coupler x 3/8" Female NPT, 210 Series, Manual, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3203S/S is a 303 stainless steel 1/4" couple...

View full details
$ 53.49
$ 53.49 - $ 53.49
$ 53.49
$ 42.79
$ 42.79 - $ 42.79
$ 42.79
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 %
$ 25.09
$ 25.09 - $ 25.09
$ 25.09
$ 20.09
$ 20.09 - $ 20.09
$ 20.09

Foster 210M-3203, 1/4" ARO Coupler x 3/8" Female NPT, 210 Series, Manual, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3203 is a brass and steel 1/4" coupler from ...

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$ 25.09
$ 25.09 - $ 25.09
$ 25.09
$ 20.09
$ 20.09 - $ 20.09
$ 20.09
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 %
$ 45.49
$ 45.49 - $ 45.49
$ 45.49
$ 36.39
$ 36.39 - $ 36.39
$ 36.39

Foster 210M-3103S/S, 1/4" ARO Coupler x 1/4" Male NPT, 210 Series, Manual, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3103S/S is a 303 stainless steel 1/4" couple...

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$ 45.49
$ 45.49 - $ 45.49
$ 45.49
$ 36.39
$ 36.39 - $ 36.39
$ 36.39
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 %
$ 28.19
$ 28.19 - $ 28.19
$ 28.19
$ 22.49
$ 22.49 - $ 22.49
$ 22.49

Foster 210M-3103NP, 1/4" ARO Coupler x 1/4" Male NPT, 210 Series, Manual, Nickel-Plated Brass/Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3103NP is a nickel-plated brass/steel 1/4" c...

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$ 28.19
$ 28.19 - $ 28.19
$ 28.19
$ 22.49
$ 22.49 - $ 22.49
$ 22.49
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 %
$ 16.09
$ 16.09 - $ 16.09
$ 16.09
$ 12.89
$ 12.89 - $ 12.89
$ 12.89

Foster 210M-3103, 1/4" ARO Coupler x 1/4" Male NPT, 210 Series, Manual, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3103 is a brass and steel 1/4" coupler from ...

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$ 16.09
$ 16.09 - $ 16.09
$ 16.09
$ 12.89
$ 12.89 - $ 12.89
$ 12.89
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 %
$ 44.99
$ 44.99 - $ 44.99
$ 44.99
$ 35.99
$ 35.99 - $ 35.99
$ 35.99

Foster 210M-3003S/S, 1/4" ARO Coupler x 1/4" Female NPT, 210 Series, Manual, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210M-3003S/S is a 303 stainless steel 1/4" couple...

View full details
$ 44.99
$ 44.99 - $ 44.99
$ 44.99
$ 35.99
$ 35.99 - $ 35.99
$ 35.99
Save 20% Save %

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