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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 %
$ 77.99
$ 77.99 - $ 77.99
$ 77.99
$ 62.39
$ 62.39 - $ 62.39
$ 62.39

Foster SV5205CA, 1/2" Industrial Coupler x 1/2" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5205CA is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable...

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$ 77.99
$ 77.99 - $ 77.99
$ 77.99
$ 62.39
$ 62.39 - $ 62.39
$ 62.39
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 %
$ 54.79
$ 54.79 - $ 54.79
$ 54.79
$ 43.89
$ 43.89 - $ 43.89
$ 43.89

Foster SV5305, 1/2" Industrial Coupler x 1/2" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5305 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 54.79
$ 54.79 - $ 54.79
$ 54.79
$ 43.89
$ 43.89 - $ 43.89
$ 43.89
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 %
$ 54.99
$ 54.99 - $ 54.99
$ 54.99
$ 43.99
$ 43.99 - $ 43.99
$ 43.99

Foster SV5105, 1/2" Industrial Coupler x 3/8" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5105 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 54.99
$ 54.99 - $ 54.99
$ 54.99
$ 43.99
$ 43.99 - $ 43.99
$ 43.99
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 %
$ 54.99
$ 54.99 - $ 54.99
$ 54.99
$ 43.99
$ 43.99 - $ 43.99
$ 43.99

Foster SV5005, 1/2" Industrial Coupler x 3/8" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5005 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 54.99
$ 54.99 - $ 54.99
$ 54.99
$ 43.99
$ 43.99 - $ 43.99
$ 43.99
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 48.79
$ 48.79 - $ 48.79
$ 48.79
$ 38.99
$ 38.99 - $ 38.99
$ 38.99

Foster SV4904, 3/8" Industrial Coupler x 1/2" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4904 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 48.79
$ 48.79 - $ 48.79
$ 48.79
$ 38.99
$ 38.99 - $ 38.99
$ 38.99
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 %
$ 48.79
$ 48.79 - $ 48.79
$ 48.79
$ 38.99
$ 38.99 - $ 38.99
$ 38.99

Foster SV4804, 3/8" Industrial Coupler x 3/8" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4804 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 48.79
$ 48.79 - $ 48.79
$ 48.79
$ 38.99
$ 38.99 - $ 38.99
$ 38.99
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 %
$ 55.29
$ 55.29 - $ 55.29
$ 55.29
$ 44.29
$ 44.29 - $ 44.29
$ 44.29

Foster SV4604, 3/8" Industrial Coupler x 1/4" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4604 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 55.29
$ 55.29 - $ 55.29
$ 55.29
$ 44.29
$ 44.29 - $ 44.29
$ 44.29
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 %
$ 47.89
$ 47.89 - $ 47.89
$ 47.89
$ 38.29
$ 38.29 - $ 38.29
$ 38.29

Foster SV4504, 3/8" Industrial Coupler x 1/2" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4504 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 47.89
$ 47.89 - $ 47.89
$ 47.89
$ 38.29
$ 38.29 - $ 38.29
$ 38.29
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 %
$ 48.39
$ 48.39 - $ 48.39
$ 48.39
$ 38.79
$ 38.79 - $ 38.79
$ 38.79

Foster SV4404, 3/8" Industrial Coupler x 1/2" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4404 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 48.39
$ 48.39 - $ 48.39
$ 48.39
$ 38.79
$ 38.79 - $ 38.79
$ 38.79
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 %
$ 47.89
$ 47.89 - $ 47.89
$ 47.89
$ 38.29
$ 38.29 - $ 38.29
$ 38.29

Foster SV4304, 3/8" Industrial Coupler x 3/8" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4304 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 47.89
$ 47.89 - $ 47.89
$ 47.89
$ 38.29
$ 38.29 - $ 38.29
$ 38.29
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 %
$ 47.29
$ 47.29 - $ 47.29
$ 47.29
$ 37.89
$ 37.89 - $ 37.89
$ 37.89

Foster SV4204, 3/8" Industrial Coupler x 3/8" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4204 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 47.29
$ 47.29 - $ 47.29
$ 47.29
$ 37.89
$ 37.89 - $ 37.89
$ 37.89
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 %
$ 47.49
$ 47.49 - $ 47.49
$ 47.49
$ 37.99
$ 37.99 - $ 37.99
$ 37.99

Foster SV4104, 3/8" Industrial Coupler x 1/4" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4104 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 47.49
$ 47.49 - $ 47.49
$ 47.49
$ 37.99
$ 37.99 - $ 37.99
$ 37.99
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 %
$ 47.49
$ 47.49 - $ 47.49
$ 47.49
$ 37.99
$ 37.99 - $ 37.99
$ 37.99

Foster SV4004, 3/8" Industrial Coupler x 1/4" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV4004 is a steel 3/8" Safety Vent coupler from the SV Series, interchangeable w...

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$ 47.49
$ 47.49 - $ 47.49
$ 47.49
$ 37.99
$ 37.99 - $ 37.99
$ 37.99
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
$ 31.89
$ 31.89 - $ 31.89
$ 31.89

Foster SV3703, 1/4" Industrial Coupler x 3/8" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3703 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.89
$ 31.89 - $ 31.89
$ 31.89
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 %
$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.89
$ 31.89 - $ 31.89
$ 31.89

Foster SV3603, 1/4" Industrial Coupler x 1/4" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3603 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 39.89
$ 39.89 - $ 39.89
$ 39.89
$ 31.89
$ 31.89 - $ 31.89
$ 31.89
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 %
$ 38.89
$ 38.89 - $ 38.89
$ 38.89
$ 31.09
$ 31.09 - $ 31.09
$ 31.09

Foster SV3303, 1/4" Industrial Coupler x 3/8" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3303 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

View full details
$ 38.89
$ 38.89 - $ 38.89
$ 38.89
$ 31.09
$ 31.09 - $ 31.09
$ 31.09
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 %
$ 38.89
$ 38.89 - $ 38.89
$ 38.89
$ 31.09
$ 31.09 - $ 31.09
$ 31.09

Foster SV3203, 1/4" Industrial Coupler x 3/8" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3203 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

View full details
$ 38.89
$ 38.89 - $ 38.89
$ 38.89
$ 31.09
$ 31.09 - $ 31.09
$ 31.09
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 %
$ 37.29
$ 37.29 - $ 37.29
$ 37.29
$ 29.79
$ 29.79 - $ 29.79
$ 29.79

Foster SV3103, 1/4" Industrial Coupler x 1/4" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3103 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 37.29
$ 37.29 - $ 37.29
$ 37.29
$ 29.79
$ 29.79 - $ 29.79
$ 29.79
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 %
$ 37.29
$ 37.29 - $ 37.29
$ 37.29
$ 29.79
$ 29.79 - $ 29.79
$ 29.79

Foster SV3003, 1/4" Industrial Coupler x 1/4" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV3003 is a steel 1/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 37.29
$ 37.29 - $ 37.29
$ 37.29
$ 29.79
$ 29.79 - $ 29.79
$ 29.79
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 %
$ 61.69
$ 61.69 - $ 61.69
$ 61.69
$ 49.39
$ 49.39 - $ 49.39
$ 49.39

Foster SV1815, 1/2" Industrial Coupler x 1/2" Push-On Hose Stem, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV1815 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 61.69
$ 61.69 - $ 61.69
$ 61.69
$ 49.39
$ 49.39 - $ 49.39
$ 49.39
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 %
$ 39.09
$ 39.09 - $ 39.09
$ 39.09
$ 31.19
$ 31.19 - $ 31.19
$ 31.19

Foster LNSD9, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSD9 is a brass and steel 1/4" coupler from the Fos...

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$ 39.09
$ 39.09 - $ 39.09
$ 39.09
$ 31.19
$ 31.19 - $ 31.19
$ 31.19
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 %
$ 38.99
$ 38.99 - $ 38.99
$ 38.99
$ 31.19
$ 31.19 - $ 31.19
$ 31.19

Foster LNSD7, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSD7 is a brass and steel 1/4" coupler from the Fos...

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$ 38.99
$ 38.99 - $ 38.99
$ 38.99
$ 31.19
$ 31.19 - $ 31.19
$ 31.19
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 %
$ 72.49
$ 72.49 - $ 72.49
$ 72.49
$ 57.99
$ 57.99 - $ 57.99
$ 57.99

Foster LNSD13, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSD13 is a brass and steel 1/4" coupler from the Fo...

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$ 72.49
$ 72.49 - $ 72.49
$ 72.49
$ 57.99
$ 57.99 - $ 57.99
$ 57.99
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 %
$ 40.49
$ 40.49 - $ 40.49
$ 40.49
$ 32.39
$ 32.39 - $ 32.39
$ 32.39

Foster LNSD11, 1/4" Lincoln Long Nose Coupler x Reusable Hose Clamp Fitting, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LNSD11 is a brass and steel 1/4" coupler from the Fo...

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$ 40.49
$ 40.49 - $ 40.49
$ 40.49
$ 32.39
$ 32.39 - $ 32.39
$ 32.39
Save 20% Save %

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