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Foster

Foster quick couplers set the standard in pneumatic and hydraulic connections. Part of the ZSI-Foster line, Foster couplers and plugs cover the full range of industrial interchanges and body sizes in steel, brass, and stainless construction. Built for reliable, repeatable connections in air and fluid systems. Shop the full Foster range below.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 22% Save %
$ 93.00
$ 93.00 - $ 93.00
$ 93.00
$ 73.00
$ 73.00 - $ 73.00
$ 73.00

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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$ 93.00
$ 93.00 - $ 93.00
$ 93.00
$ 73.00
$ 73.00 - $ 73.00
$ 73.00
Save 22% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 258.00
$ 258.00 - $ 258.00
$ 258.00
$ 206.00
$ 206.00 - $ 206.00
$ 206.00

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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$ 258.00
$ 258.00 - $ 258.00
$ 258.00
$ 206.00
$ 206.00 - $ 206.00
$ 206.00
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 %
$ 108.00
$ 108.00 - $ 108.00
$ 108.00
$ 87.00
$ 87.00 - $ 87.00
$ 87.00

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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$ 108.00
$ 108.00 - $ 108.00
$ 108.00
$ 87.00
$ 87.00 - $ 87.00
$ 87.00
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 %
$ 296.00
$ 296.00 - $ 296.00
$ 296.00
$ 237.00
$ 237.00 - $ 237.00
$ 237.00

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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$ 296.00
$ 296.00 - $ 296.00
$ 296.00
$ 237.00
$ 237.00 - $ 237.00
$ 237.00
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 %
$ 96.00
$ 96.00 - $ 96.00
$ 96.00
$ 77.00
$ 77.00 - $ 77.00
$ 77.00

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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$ 96.00
$ 96.00 - $ 96.00
$ 96.00
$ 77.00
$ 77.00 - $ 77.00
$ 77.00
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 %
$ 305.00
$ 305.00 - $ 305.00
$ 305.00
$ 244.00
$ 244.00 - $ 244.00
$ 244.00

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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$ 305.00
$ 305.00 - $ 305.00
$ 305.00
$ 244.00
$ 244.00 - $ 244.00
$ 244.00
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 %
$ 58.00
$ 58.00 - $ 58.00
$ 58.00
$ 46.00
$ 46.00 - $ 46.00
$ 46.00

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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$ 58.00
$ 58.00 - $ 58.00
$ 58.00
$ 46.00
$ 46.00 - $ 46.00
$ 46.00
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 %
$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 270.00
$ 270.00 - $ 270.00
$ 270.00

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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$ 338.00
$ 338.00 - $ 338.00
$ 338.00
$ 270.00
$ 270.00 - $ 270.00
$ 270.00
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 %
$ 54.00
$ 54.00 - $ 54.00
$ 54.00
$ 44.00
$ 44.00 - $ 44.00
$ 44.00

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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$ 54.00
$ 54.00 - $ 54.00
$ 54.00
$ 44.00
$ 44.00 - $ 44.00
$ 44.00
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 %
$ 651.00
$ 651.00 - $ 651.00
$ 651.00
$ 520.00
$ 520.00 - $ 520.00
$ 520.00

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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$ 651.00
$ 651.00 - $ 651.00
$ 651.00
$ 520.00
$ 520.00 - $ 520.00
$ 520.00
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 %
$ 646.00
$ 646.00 - $ 646.00
$ 646.00
$ 517.00
$ 517.00 - $ 517.00
$ 517.00

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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$ 646.00
$ 646.00 - $ 646.00
$ 646.00
$ 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 %
$ 665.00
$ 665.00 - $ 665.00
$ 665.00
$ 531.00
$ 531.00 - $ 531.00
$ 531.00

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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$ 665.00
$ 665.00 - $ 665.00
$ 665.00
$ 531.00
$ 531.00 - $ 531.00
$ 531.00
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 %
$ 653.00
$ 653.00 - $ 653.00
$ 653.00
$ 522.00
$ 522.00 - $ 522.00
$ 522.00

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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$ 653.00
$ 653.00 - $ 653.00
$ 653.00
$ 522.00
$ 522.00 - $ 522.00
$ 522.00
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 %
$ 703.00
$ 703.00 - $ 703.00
$ 703.00
$ 562.00
$ 562.00 - $ 562.00
$ 562.00

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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$ 703.00
$ 703.00 - $ 703.00
$ 703.00
$ 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 %
$ 694.00
$ 694.00 - $ 694.00
$ 694.00
$ 557.00
$ 557.00 - $ 557.00
$ 557.00

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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$ 694.00
$ 694.00 - $ 694.00
$ 694.00
$ 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 %
$ 694.00
$ 694.00 - $ 694.00
$ 694.00
$ 557.00
$ 557.00 - $ 557.00
$ 557.00

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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$ 694.00
$ 694.00 - $ 694.00
$ 694.00
$ 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 %
$ 790.00
$ 790.00 - $ 790.00
$ 790.00
$ 632.00
$ 632.00 - $ 632.00
$ 632.00

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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$ 790.00
$ 790.00 - $ 790.00
$ 790.00
$ 632.00
$ 632.00 - $ 632.00
$ 632.00
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 %
$ 783.00
$ 783.00 - $ 783.00
$ 783.00
$ 627.00
$ 627.00 - $ 627.00
$ 627.00

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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$ 783.00
$ 783.00 - $ 783.00
$ 783.00
$ 627.00
$ 627.00 - $ 627.00
$ 627.00
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 %
$ 562.00
$ 562.00 - $ 562.00
$ 562.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00

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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$ 562.00
$ 562.00 - $ 562.00
$ 562.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00
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 %
$ 679.00
$ 679.00 - $ 679.00
$ 679.00
$ 543.00
$ 543.00 - $ 543.00
$ 543.00

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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$ 679.00
$ 679.00 - $ 679.00
$ 679.00
$ 543.00
$ 543.00 - $ 543.00
$ 543.00
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 %
$ 703.00
$ 703.00 - $ 703.00
$ 703.00
$ 562.00
$ 562.00 - $ 562.00
$ 562.00

Foster 310M-4504, 3/8" ARO Coupler x 1/2" Male NPT, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4504 is a brass and steel 3/8" coupler from ...

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$ 703.00
$ 703.00 - $ 703.00
$ 703.00
$ 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 %
$ 728.00
$ 728.00 - $ 728.00
$ 728.00
$ 581.00
$ 581.00 - $ 581.00
$ 581.00

Foster 310M-4404, 3/8" ARO Coupler x 1/2" Female NPT, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4404 is a brass and steel 3/8" coupler from ...

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$ 728.00
$ 728.00 - $ 728.00
$ 728.00
$ 581.00
$ 581.00 - $ 581.00
$ 581.00
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 %
$ 853.00
$ 853.00 - $ 853.00
$ 853.00
$ 682.00
$ 682.00 - $ 682.00
$ 682.00

Foster 310M-4304NP, 3/8" ARO Coupler x 3/8" Male NPT, 310 Series, Manual, Nickel-Plated Brass/Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4304NP is a nickel-plated brass/steel 3/8" c...

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$ 853.00
$ 853.00 - $ 853.00
$ 853.00
$ 682.00
$ 682.00 - $ 682.00
$ 682.00
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 %
$ 728.00
$ 728.00 - $ 728.00
$ 728.00
$ 581.00
$ 581.00 - $ 581.00
$ 581.00

Foster 310M-4204NP, 3/8" ARO Coupler x 3/8" Female NPT, 310 Series, Manual, Nickel-Plated Brass/Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4204NP is a nickel-plated brass/steel 3/8" c...

View full details
$ 728.00
$ 728.00 - $ 728.00
$ 728.00
$ 581.00
$ 581.00 - $ 581.00
$ 581.00
Save 20% Save %

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