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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 %
$ 1,241.00
$ 1,241.00 - $ 1,241.00
$ 1,241.00
$ 993.00
$ 993.00 - $ 993.00
$ 993.00

Foster SLSP17-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 15/16" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSP17-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,241.00
$ 1,241.00 - $ 1,241.00
$ 1,241.00
$ 993.00
$ 993.00 - $ 993.00
$ 993.00
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 %
$ 1,148.00
$ 1,148.00 - $ 1,148.00
$ 1,148.00
$ 919.00
$ 919.00 - $ 919.00
$ 919.00

Foster FMSP17-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 15/16" OD, 5 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSP17-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,148.00
$ 1,148.00 - $ 1,148.00
$ 1,148.00
$ 919.00
$ 919.00 - $ 919.00
$ 919.00
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 %
$ 1,201.00
$ 1,201.00 - $ 1,201.00
$ 1,201.00
$ 959.00
$ 959.00 - $ 959.00
$ 959.00

Foster SLSP15-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 7/8" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSP15-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,201.00
$ 1,201.00 - $ 1,201.00
$ 1,201.00
$ 959.00
$ 959.00 - $ 959.00
$ 959.00
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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 %
$ 1,062.00
$ 1,062.00 - $ 1,062.00
$ 1,062.00
$ 849.00
$ 849.00 - $ 849.00
$ 849.00

Foster FMSP15-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 7/8" OD, 5 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSP15-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,062.00
$ 1,062.00 - $ 1,062.00
$ 1,062.00
$ 849.00
$ 849.00 - $ 849.00
$ 849.00
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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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$ 1,114.00
$ 1,114.00 - $ 1,114.00
$ 1,114.00
$ 893.00
$ 893.00 - $ 893.00
$ 893.00

Foster FMSP13-5H, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 13/16" OD, 5 Series, Automatic, Heat/Viton, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSP13-5H is a Brass 1/2" industrial coupler from the Foster 5 S...

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$ 1,114.00
$ 1,114.00 - $ 1,114.00
$ 1,114.00
$ 893.00
$ 893.00 - $ 893.00
$ 893.00
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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 %
$ 1,174.00
$ 1,174.00 - $ 1,174.00
$ 1,174.00
$ 940.00
$ 940.00 - $ 940.00
$ 940.00

Foster SLSP13-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 13/16" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSP13-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,174.00
$ 1,174.00 - $ 1,174.00
$ 1,174.00
$ 940.00
$ 940.00 - $ 940.00
$ 940.00
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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 %
$ 1,040.00
$ 1,040.00 - $ 1,040.00
$ 1,040.00
$ 833.00
$ 833.00 - $ 833.00
$ 833.00

Foster FMSP13-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 1/2" ID x 13/16" OD, 5 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSP13-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 1,040.00
$ 1,040.00 - $ 1,040.00
$ 1,040.00
$ 833.00
$ 833.00 - $ 833.00
$ 833.00
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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$ 977.00
$ 977.00 - $ 977.00
$ 977.00
$ 782.00
$ 782.00 - $ 782.00
$ 782.00

Foster SLSD13-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSD13-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 977.00
$ 977.00 - $ 977.00
$ 977.00
$ 782.00
$ 782.00 - $ 782.00
$ 782.00
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
$ 680.00
$ 680.00 - $ 680.00
$ 680.00

Foster FMSD13-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 5 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSD13-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 850.00
$ 850.00 - $ 850.00
$ 850.00
$ 680.00
$ 680.00 - $ 680.00
$ 680.00
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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 %
$ 961.00
$ 961.00 - $ 961.00
$ 961.00
$ 769.00
$ 769.00 - $ 769.00
$ 769.00

Foster SLSD11-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 3/4" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSD11-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 961.00
$ 961.00 - $ 961.00
$ 961.00
$ 769.00
$ 769.00 - $ 769.00
$ 769.00
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 %
$ 833.00
$ 833.00 - $ 833.00
$ 833.00
$ 666.00
$ 666.00 - $ 666.00
$ 666.00

Foster FMSD11-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 3/4" OD, 5 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSD11-5 is a Brass 1/2" industrial coupler from the Foster 5 Se...

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$ 833.00
$ 833.00 - $ 833.00
$ 833.00
$ 666.00
$ 666.00 - $ 666.00
$ 666.00
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 %
$ 944.00
$ 944.00 - $ 944.00
$ 944.00
$ 755.00
$ 755.00 - $ 755.00
$ 755.00

Foster SLSD9-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 11/16" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSD9-5 is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 944.00
$ 944.00 - $ 944.00
$ 944.00
$ 755.00
$ 755.00 - $ 755.00
$ 755.00
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 %
$ 813.00
$ 813.00 - $ 813.00
$ 813.00
$ 651.00
$ 651.00 - $ 651.00
$ 651.00

Foster FMSD9-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 11/16" OD, 5 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSD9-5 is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 813.00
$ 813.00 - $ 813.00
$ 813.00
$ 651.00
$ 651.00 - $ 651.00
$ 651.00
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 %
$ 882.00
$ 882.00 - $ 882.00
$ 882.00
$ 706.00
$ 706.00 - $ 706.00
$ 706.00

Foster SLSD7-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SLSD7-5 is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 882.00
$ 882.00 - $ 882.00
$ 882.00
$ 706.00
$ 706.00 - $ 706.00
$ 706.00
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 %
$ 792.00
$ 792.00 - $ 792.00
$ 792.00
$ 634.00
$ 634.00 - $ 634.00
$ 634.00

Foster FMSD7-5, 1/2" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 5 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FMSD7-5 is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 792.00
$ 792.00 - $ 792.00
$ 792.00
$ 634.00
$ 634.00 - $ 634.00
$ 634.00
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 %
$ 893.00
$ 893.00 - $ 893.00
$ 893.00
$ 715.00
$ 715.00 - $ 715.00
$ 715.00

Foster SL5905, 1/2" Industrial Coupler x 3/4" Hose ID, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SL5905 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 893.00
$ 893.00 - $ 893.00
$ 893.00
$ 715.00
$ 715.00 - $ 715.00
$ 715.00
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 FM5905, 1/2" Industrial Coupler x 3/4" Hose ID, 5 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5905 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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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 %
$ 878.00
$ 878.00 - $ 878.00
$ 878.00
$ 702.00
$ 702.00 - $ 702.00
$ 702.00

Foster FM5805W, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Automatic, Water, Brass/SS

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5805W is a Brass/SS 1/2" industrial coupler from the Foster 5 ...

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$ 878.00
$ 878.00 - $ 878.00
$ 878.00
$ 702.00
$ 702.00 - $ 702.00
$ 702.00
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 %
$ 864.00
$ 864.00 - $ 864.00
$ 864.00
$ 692.00
$ 692.00 - $ 692.00
$ 692.00

Foster SL5805H, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Automatic Sleeve Lock, Heat/Viton, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SL5805H is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 864.00
$ 864.00 - $ 864.00
$ 864.00
$ 692.00
$ 692.00 - $ 692.00
$ 692.00
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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$ 868.00
$ 868.00 - $ 868.00
$ 868.00
$ 694.00
$ 694.00 - $ 694.00
$ 694.00

Foster FM5805H, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Automatic, Heat/Viton, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5805H is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 868.00
$ 868.00 - $ 868.00
$ 868.00
$ 694.00
$ 694.00 - $ 694.00
$ 694.00
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 %
$ 882.00
$ 882.00 - $ 882.00
$ 882.00
$ 706.00
$ 706.00 - $ 706.00
$ 706.00

Foster SL5805, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SL5805 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 882.00
$ 882.00 - $ 882.00
$ 882.00
$ 706.00
$ 706.00 - $ 706.00
$ 706.00
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 %
$ 776.00
$ 776.00 - $ 776.00
$ 776.00
$ 622.00
$ 622.00 - $ 622.00
$ 622.00

Foster FM5805, 1/2" Industrial Coupler x 1/2" Hose ID, 5 Series, Automatic, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5805 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 776.00
$ 776.00 - $ 776.00
$ 776.00
$ 622.00
$ 622.00 - $ 622.00
$ 622.00
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 %
$ 864.00
$ 864.00 - $ 864.00
$ 864.00
$ 692.00
$ 692.00 - $ 692.00
$ 692.00

Foster FM5705H, 1/2" Industrial Coupler x 3/8" Hose ID, 5 Series, Automatic, Heat/Viton, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster FM5705H is a Brass 1/2" industrial coupler from the Foster 5 Ser...

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$ 864.00
$ 864.00 - $ 864.00
$ 864.00
$ 692.00
$ 692.00 - $ 692.00
$ 692.00
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 %
$ 878.00
$ 878.00 - $ 878.00
$ 878.00
$ 702.00
$ 702.00 - $ 702.00
$ 702.00

Foster SL5705, 1/2" Industrial Coupler x 3/8" Hose ID, 5 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 1/2" connections for high-flow air and fluid lines. The Foster SL5705 is a Brass 1/2" industrial coupler from the Foster 5 Seri...

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$ 878.00
$ 878.00 - $ 878.00
$ 878.00
$ 702.00
$ 702.00 - $ 702.00
$ 702.00
Save 20% Save %

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