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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 %
$ 1,588.00
$ 1,588.00 - $ 1,588.00
$ 1,588.00
$ 1,269.00
$ 1,269.00 - $ 1,269.00
$ 1,269.00

Foster SV6506, 3/4" Industrial Coupler x 3/4" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV6506 is a steel 3/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 1,588.00
$ 1,588.00 - $ 1,588.00
$ 1,588.00
$ 1,269.00
$ 1,269.00 - $ 1,269.00
$ 1,269.00
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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 %
$ 2,016.00
$ 2,016.00 - $ 2,016.00
$ 2,016.00
$ 1,612.00
$ 1,612.00 - $ 1,612.00
$ 1,612.00

Foster SV6406CA, 3/4" Industrial Coupler x 3/4" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV6406CA is a steel 3/4" Safety Vent coupler from the SV Series, interchangeable...

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$ 2,016.00
$ 2,016.00 - $ 2,016.00
$ 2,016.00
$ 1,612.00
$ 1,612.00 - $ 1,612.00
$ 1,612.00
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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 %
$ 1,652.00
$ 1,652.00 - $ 1,652.00
$ 1,652.00
$ 1,322.00
$ 1,322.00 - $ 1,322.00
$ 1,322.00

Foster SV6406, 3/4" Industrial Coupler x 3/4" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV6406 is a steel 3/4" Safety Vent coupler from the SV Series, interchangeable w...

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$ 1,652.00
$ 1,652.00 - $ 1,652.00
$ 1,652.00
$ 1,322.00
$ 1,322.00 - $ 1,322.00
$ 1,322.00
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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 %
$ 1,015.00
$ 1,015.00 - $ 1,015.00
$ 1,015.00
$ 813.00
$ 813.00 - $ 813.00
$ 813.00

Foster SV5905, 1/2" Industrial Coupler x 3/4" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5905 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 1,015.00
$ 1,015.00 - $ 1,015.00
$ 1,015.00
$ 813.00
$ 813.00 - $ 813.00
$ 813.00
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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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$ 998.00
$ 998.00 - $ 998.00
$ 998.00
$ 798.00
$ 798.00 - $ 798.00
$ 798.00

Foster SV5805, 1/2" Industrial Coupler x 1/2" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5805 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 998.00
$ 998.00 - $ 998.00
$ 998.00
$ 798.00
$ 798.00 - $ 798.00
$ 798.00
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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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$ 1,001.00
$ 1,001.00 - $ 1,001.00
$ 1,001.00
$ 801.00
$ 801.00 - $ 801.00
$ 801.00

Foster SV5705, 1/2" Industrial Coupler x 3/8" Hose ID, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5705 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 1,001.00
$ 1,001.00 - $ 1,001.00
$ 1,001.00
$ 801.00
$ 801.00 - $ 801.00
$ 801.00
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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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$ 1,384.00
$ 1,384.00 - $ 1,384.00
$ 1,384.00
$ 1,107.00
$ 1,107.00 - $ 1,107.00
$ 1,107.00

Foster SV5505CA, 1/2" Industrial Coupler x 3/4" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5505CA is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable...

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$ 1,384.00
$ 1,384.00 - $ 1,384.00
$ 1,384.00
$ 1,107.00
$ 1,107.00 - $ 1,107.00
$ 1,107.00
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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$ 1,238.00
$ 1,238.00 - $ 1,238.00
$ 1,238.00
$ 991.00
$ 991.00 - $ 991.00
$ 991.00

Foster SV5405, 1/2" Industrial Coupler x 3/4" Female NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5405 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 1,238.00
$ 1,238.00 - $ 1,238.00
$ 1,238.00
$ 991.00
$ 991.00 - $ 991.00
$ 991.00
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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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$ 966.00
$ 966.00 - $ 966.00
$ 966.00
$ 773.00
$ 773.00 - $ 773.00
$ 773.00

Foster SV5505, 1/2" Industrial Coupler x 3/4" Male NPT, SV Series, Safety Vent, Steel

Safer air disconnects for shop air and pneumatic tools. The Foster SV5505 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 966.00
$ 966.00 - $ 966.00
$ 966.00
$ 773.00
$ 773.00 - $ 773.00
$ 773.00
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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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$ 954.00
$ 954.00 - $ 954.00
$ 954.00
$ 764.00
$ 764.00 - $ 764.00
$ 764.00

Foster SV5205, 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 SV5205 is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable w...

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$ 954.00
$ 954.00 - $ 954.00
$ 954.00
$ 764.00
$ 764.00 - $ 764.00
$ 764.00
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 %
$ 1,365.00
$ 1,365.00 - $ 1,365.00
$ 1,365.00
$ 1,092.00
$ 1,092.00 - $ 1,092.00
$ 1,092.00

Foster SV5305CA, 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 SV5305CA is a steel 1/2" Safety Vent coupler from the SV Series, interchangeable...

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$ 1,365.00
$ 1,365.00 - $ 1,365.00
$ 1,365.00
$ 1,092.00
$ 1,092.00 - $ 1,092.00
$ 1,092.00
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 %
$ 1,358.00
$ 1,358.00 - $ 1,358.00
$ 1,358.00
$ 1,087.00
$ 1,087.00 - $ 1,087.00
$ 1,087.00

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...

View full details
$ 1,358.00
$ 1,358.00 - $ 1,358.00
$ 1,358.00
$ 1,087.00
$ 1,087.00 - $ 1,087.00
$ 1,087.00
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 %
$ 954.00
$ 954.00 - $ 954.00
$ 954.00
$ 764.00
$ 764.00 - $ 764.00
$ 764.00

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...

View full details
$ 954.00
$ 954.00 - $ 954.00
$ 954.00
$ 764.00
$ 764.00 - $ 764.00
$ 764.00
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 %
$ 958.00
$ 958.00 - $ 958.00
$ 958.00
$ 766.00
$ 766.00 - $ 766.00
$ 766.00

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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$ 958.00
$ 958.00 - $ 958.00
$ 958.00
$ 766.00
$ 766.00 - $ 766.00
$ 766.00
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 %
$ 958.00
$ 958.00 - $ 958.00
$ 958.00
$ 766.00
$ 766.00 - $ 766.00
$ 766.00

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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$ 958.00
$ 958.00 - $ 958.00
$ 958.00
$ 766.00
$ 766.00 - $ 766.00
$ 766.00
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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$ 850.00
$ 850.00 - $ 850.00
$ 850.00
$ 679.00
$ 679.00 - $ 679.00
$ 679.00

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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$ 850.00
$ 850.00 - $ 850.00
$ 850.00
$ 679.00
$ 679.00 - $ 679.00
$ 679.00
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 %
$ 850.00
$ 850.00 - $ 850.00
$ 850.00
$ 679.00
$ 679.00 - $ 679.00
$ 679.00

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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$ 850.00
$ 850.00 - $ 850.00
$ 850.00
$ 679.00
$ 679.00 - $ 679.00
$ 679.00
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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$ 963.00
$ 963.00 - $ 963.00
$ 963.00
$ 771.00
$ 771.00 - $ 771.00
$ 771.00

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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$ 963.00
$ 963.00 - $ 963.00
$ 963.00
$ 771.00
$ 771.00 - $ 771.00
$ 771.00
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 %
$ 834.00
$ 834.00 - $ 834.00
$ 834.00
$ 667.00
$ 667.00 - $ 667.00
$ 667.00

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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$ 834.00
$ 834.00 - $ 834.00
$ 834.00
$ 667.00
$ 667.00 - $ 667.00
$ 667.00
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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$ 843.00
$ 843.00 - $ 843.00
$ 843.00
$ 676.00
$ 676.00 - $ 676.00
$ 676.00

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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$ 843.00
$ 843.00 - $ 843.00
$ 843.00
$ 676.00
$ 676.00 - $ 676.00
$ 676.00
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 %
$ 834.00
$ 834.00 - $ 834.00
$ 834.00
$ 667.00
$ 667.00 - $ 667.00
$ 667.00

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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$ 834.00
$ 834.00 - $ 834.00
$ 834.00
$ 667.00
$ 667.00 - $ 667.00
$ 667.00
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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$ 824.00
$ 824.00 - $ 824.00
$ 824.00
$ 660.00
$ 660.00 - $ 660.00
$ 660.00

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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$ 824.00
$ 824.00 - $ 824.00
$ 824.00
$ 660.00
$ 660.00 - $ 660.00
$ 660.00
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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$ 827.00
$ 827.00 - $ 827.00
$ 827.00
$ 662.00
$ 662.00 - $ 662.00
$ 662.00

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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$ 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 %
$ 827.00
$ 827.00 - $ 827.00
$ 827.00
$ 662.00
$ 662.00 - $ 662.00
$ 662.00

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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$ 827.00
$ 827.00 - $ 827.00
$ 827.00
$ 662.00
$ 662.00 - $ 662.00
$ 662.00
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