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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 20% Save %
$ 1,186.00
$ 1,186.00 - $ 1,186.00
$ 1,186.00
$ 949.00
$ 949.00 - $ 949.00
$ 949.00

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

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

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$ 1,186.00
$ 1,186.00 - $ 1,186.00
$ 1,186.00
$ 949.00
$ 949.00 - $ 949.00
$ 949.00
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 %
$ 308.00
$ 308.00 - $ 308.00
$ 308.00
$ 247.00
$ 247.00 - $ 247.00
$ 247.00

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

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

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$ 308.00
$ 308.00 - $ 308.00
$ 308.00
$ 247.00
$ 247.00 - $ 247.00
$ 247.00
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 %
$ 1,169.00
$ 1,169.00 - $ 1,169.00
$ 1,169.00
$ 935.00
$ 935.00 - $ 935.00
$ 935.00

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

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

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$ 1,169.00
$ 1,169.00 - $ 1,169.00
$ 1,169.00
$ 935.00
$ 935.00 - $ 935.00
$ 935.00
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 %
$ 294.00
$ 294.00 - $ 294.00
$ 294.00
$ 234.00
$ 234.00 - $ 234.00
$ 234.00

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

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

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$ 294.00
$ 294.00 - $ 294.00
$ 294.00
$ 234.00
$ 234.00 - $ 234.00
$ 234.00
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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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$ 1,156.00
$ 1,156.00 - $ 1,156.00
$ 1,156.00
$ 924.00
$ 924.00 - $ 924.00
$ 924.00

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

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

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$ 1,156.00
$ 1,156.00 - $ 1,156.00
$ 1,156.00
$ 924.00
$ 924.00 - $ 924.00
$ 924.00
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 %
$ 285.00
$ 285.00 - $ 285.00
$ 285.00
$ 227.00
$ 227.00 - $ 227.00
$ 227.00

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

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

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$ 285.00
$ 285.00 - $ 285.00
$ 285.00
$ 227.00
$ 227.00 - $ 227.00
$ 227.00
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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 %
$ 852.00
$ 852.00 - $ 852.00
$ 852.00
$ 681.00
$ 681.00 - $ 681.00
$ 681.00

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

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

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$ 852.00
$ 852.00 - $ 852.00
$ 852.00
$ 681.00
$ 681.00 - $ 681.00
$ 681.00
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 %
$ 291.00
$ 291.00 - $ 291.00
$ 291.00
$ 233.00
$ 233.00 - $ 233.00
$ 233.00

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

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

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$ 291.00
$ 291.00 - $ 291.00
$ 291.00
$ 233.00
$ 233.00 - $ 233.00
$ 233.00
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 %
$ 827.00
$ 827.00 - $ 827.00
$ 827.00
$ 662.00
$ 662.00 - $ 662.00
$ 662.00

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

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

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$ 827.00
$ 827.00 - $ 827.00
$ 827.00
$ 662.00
$ 662.00 - $ 662.00
$ 662.00
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 %
$ 278.00
$ 278.00 - $ 278.00
$ 278.00
$ 222.00
$ 222.00 - $ 222.00
$ 222.00

Foster 210-3003, 1/4" ARO Coupler x 1/4" Female NPT, 210 Series, Automatic, Brass and Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-3003 is a brass and steel 1/4" coupler from t...

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$ 278.00
$ 278.00 - $ 278.00
$ 278.00
$ 222.00
$ 222.00 - $ 222.00
$ 222.00
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 %
$ 1,160.00
$ 1,160.00 - $ 1,160.00
$ 1,160.00
$ 928.00
$ 928.00 - $ 928.00
$ 928.00

Foster 210-2903S/S, 1/4" ARO Coupler x 1/8" Male NPT, 210 Series, Automatic, 303 Stainless Steel

Reliable 1/4" air connections that interchange with ARO 210 Series couplers and plugs. The Foster 210-2903S/S is a 303 stainless steel 1/4" coupler...

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$ 1,160.00
$ 1,160.00 - $ 1,160.00
$ 1,160.00
$ 928.00
$ 928.00 - $ 928.00
$ 928.00
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 %
$ 340.00
$ 340.00 - $ 340.00
$ 340.00
$ 273.00
$ 273.00 - $ 273.00
$ 273.00

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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$ 340.00
$ 340.00 - $ 340.00
$ 340.00
$ 273.00
$ 273.00 - $ 273.00
$ 273.00
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 %
$ 1,119.00
$ 1,119.00 - $ 1,119.00
$ 1,119.00
$ 896.00
$ 896.00 - $ 896.00
$ 896.00

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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$ 1,119.00
$ 1,119.00 - $ 1,119.00
$ 1,119.00
$ 896.00
$ 896.00 - $ 896.00
$ 896.00
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 %
$ 363.00
$ 363.00 - $ 363.00
$ 363.00
$ 291.00
$ 291.00 - $ 291.00
$ 291.00

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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$ 363.00
$ 363.00 - $ 363.00
$ 363.00
$ 291.00
$ 291.00 - $ 291.00
$ 291.00
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 %
$ 319.00
$ 319.00 - $ 319.00
$ 319.00
$ 255.00
$ 255.00 - $ 255.00
$ 255.00

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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$ 319.00
$ 319.00 - $ 319.00
$ 319.00
$ 255.00
$ 255.00 - $ 255.00
$ 255.00
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 %
$ 94.00
$ 94.00 - $ 94.00
$ 94.00
$ 74.00
$ 74.00 - $ 74.00
$ 74.00

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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$ 94.00
$ 94.00 - $ 94.00
$ 94.00
$ 74.00
$ 74.00 - $ 74.00
$ 74.00
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 %
$ 261.00
$ 261.00 - $ 261.00
$ 261.00
$ 208.00
$ 208.00 - $ 208.00
$ 208.00

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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$ 261.00
$ 261.00 - $ 261.00
$ 261.00
$ 208.00
$ 208.00 - $ 208.00
$ 208.00
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 %
$ 109.00
$ 109.00 - $ 109.00
$ 109.00
$ 88.00
$ 88.00 - $ 88.00
$ 88.00

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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$ 109.00
$ 109.00 - $ 109.00
$ 109.00
$ 88.00
$ 88.00 - $ 88.00
$ 88.00
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 %
$ 299.00
$ 299.00 - $ 299.00
$ 299.00
$ 240.00
$ 240.00 - $ 240.00
$ 240.00

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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$ 299.00
$ 299.00 - $ 299.00
$ 299.00
$ 240.00
$ 240.00 - $ 240.00
$ 240.00
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 %
$ 97.00
$ 97.00 - $ 97.00
$ 97.00
$ 78.00
$ 78.00 - $ 78.00
$ 78.00

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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$ 97.00
$ 97.00 - $ 97.00
$ 97.00
$ 78.00
$ 78.00 - $ 78.00
$ 78.00
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 %
$ 308.00
$ 308.00 - $ 308.00
$ 308.00
$ 247.00
$ 247.00 - $ 247.00
$ 247.00

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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$ 308.00
$ 308.00 - $ 308.00
$ 308.00
$ 247.00
$ 247.00 - $ 247.00
$ 247.00
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 %
$ 342.00
$ 342.00 - $ 342.00
$ 342.00
$ 273.00
$ 273.00 - $ 273.00
$ 273.00

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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$ 342.00
$ 342.00 - $ 342.00
$ 342.00
$ 273.00
$ 273.00 - $ 273.00
$ 273.00
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 %
$ 55.00
$ 55.00 - $ 55.00
$ 55.00
$ 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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$ 55.00
$ 55.00 - $ 55.00
$ 55.00
$ 44.00
$ 44.00 - $ 44.00
$ 44.00
Save 20% Save %

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