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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 %
$ 1,983.00
$ 1,983.00 - $ 1,983.00
$ 1,983.00
$ 1,586.00
$ 1,586.00 - $ 1,586.00
$ 1,586.00

Foster FF16S-12, 5/8" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16S-12 is a nickel-plated steel 5/8" coupler from...

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$ 1,983.00
$ 1,983.00 - $ 1,983.00
$ 1,983.00
$ 1,586.00
$ 1,586.00 - $ 1,586.00
$ 1,586.00
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 %
$ 9,434.00
$ 9,434.00 - $ 9,434.00
$ 9,434.00
$ 7,549.00
$ 7,549.00 - $ 7,549.00
$ 7,549.00

Foster FF16P-12SS, 5/8" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16P-12SS is a 316 stainless steel 5/8" plug from ...

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$ 9,434.00
$ 9,434.00 - $ 9,434.00
$ 9,434.00
$ 7,549.00
$ 7,549.00 - $ 7,549.00
$ 7,549.00
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 %
$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00

Foster FF12S-87ORB, 1/2" Flat Face Hydraulic Coupler x 7/8"-14 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-87ORB is a nickel-plated steel 1/2" coupler f...

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$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00
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 %
$ 830.00
$ 830.00 - $ 830.00
$ 830.00
$ 665.00
$ 665.00 - $ 665.00
$ 665.00

Foster FF16P-12, 5/8" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF16P-12 is a nickel-plated steel 5/8" plug from th...

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$ 830.00
$ 830.00 - $ 830.00
$ 830.00
$ 665.00
$ 665.00 - $ 665.00
$ 665.00
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 %
$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00

Foster FF12S-75ORB, 1/2" Flat Face Hydraulic Coupler x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-75ORB is a nickel-plated steel 1/2" coupler f...

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$ 1,706.00
$ 1,706.00 - $ 1,706.00
$ 1,706.00
$ 1,366.00
$ 1,366.00 - $ 1,366.00
$ 1,366.00
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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$ 11,284.00
$ 11,284.00 - $ 11,284.00
$ 11,284.00
$ 9,029.00
$ 9,029.00 - $ 9,029.00
$ 9,029.00

Foster FF12S-12SS, 1/2" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-12SS is a 316 stainless steel 1/2" coupler fr...

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$ 11,284.00
$ 11,284.00 - $ 11,284.00
$ 11,284.00
$ 9,029.00
$ 9,029.00 - $ 9,029.00
$ 9,029.00
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 %
$ 1,748.00
$ 1,748.00 - $ 1,748.00
$ 1,748.00
$ 1,399.00
$ 1,399.00 - $ 1,399.00
$ 1,399.00

Foster FF12S-12, 1/2" Flat Face Hydraulic Coupler x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-12 is a nickel-plated steel 1/2" coupler from...

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$ 1,748.00
$ 1,748.00 - $ 1,748.00
$ 1,748.00
$ 1,399.00
$ 1,399.00 - $ 1,399.00
$ 1,399.00
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 %
$ 1,831.00
$ 1,831.00 - $ 1,831.00
$ 1,831.00
$ 1,466.00
$ 1,466.00 - $ 1,466.00
$ 1,466.00

Foster FF12S-106ORB, 1/2" Flat Face Hydraulic Coupler x 1-1/16"-12 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-106ORB is a nickel-plated steel 1/2" coupler ...

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$ 1,831.00
$ 1,831.00 - $ 1,831.00
$ 1,831.00
$ 1,466.00
$ 1,466.00 - $ 1,466.00
$ 1,466.00
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 %
$ 10,128.00
$ 10,128.00 - $ 10,128.00
$ 10,128.00
$ 8,102.00
$ 8,102.00 - $ 8,102.00
$ 8,102.00

Foster FF12S-08SS, 1/2" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-08SS is a 316 stainless steel 1/2" coupler fr...

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$ 10,128.00
$ 10,128.00 - $ 10,128.00
$ 10,128.00
$ 8,102.00
$ 8,102.00 - $ 8,102.00
$ 8,102.00
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 %
$ 1,380.00
$ 1,380.00 - $ 1,380.00
$ 1,380.00
$ 1,103.00
$ 1,103.00 - $ 1,103.00
$ 1,103.00

Foster FF12S-08, 1/2" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12S-08 is a nickel-plated steel 1/2" coupler from...

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$ 1,380.00
$ 1,380.00 - $ 1,380.00
$ 1,380.00
$ 1,103.00
$ 1,103.00 - $ 1,103.00
$ 1,103.00
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 %
$ 848.00
$ 848.00 - $ 848.00
$ 848.00
$ 679.00
$ 679.00 - $ 679.00
$ 679.00

Foster FF12P-87ORB, 1/2" Flat Face Hydraulic Plug x 7/8"-14 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-87ORB is a nickel-plated steel 1/2" plug from...

View full details
$ 848.00
$ 848.00 - $ 848.00
$ 848.00
$ 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 %
$ 753.00
$ 753.00 - $ 753.00
$ 753.00
$ 603.00
$ 603.00 - $ 603.00
$ 603.00

Foster FF12P-75ORB, 1/2" Flat Face Hydraulic Plug x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-75ORB is a nickel-plated steel 1/2" plug from...

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$ 753.00
$ 753.00 - $ 753.00
$ 753.00
$ 603.00
$ 603.00 - $ 603.00
$ 603.00
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 %
$ 9,018.00
$ 9,018.00 - $ 9,018.00
$ 9,018.00
$ 7,216.00
$ 7,216.00 - $ 7,216.00
$ 7,216.00

Foster FF12P-12SS, 1/2" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-12SS is a 316 stainless steel 1/2" plug from ...

View full details
$ 9,018.00
$ 9,018.00 - $ 9,018.00
$ 9,018.00
$ 7,216.00
$ 7,216.00 - $ 7,216.00
$ 7,216.00
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 %
$ 846.00
$ 846.00 - $ 846.00
$ 846.00
$ 677.00
$ 677.00 - $ 677.00
$ 677.00

Foster FF12P-12, 1/2" Flat Face Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-12 is a nickel-plated steel 1/2" plug from th...

View full details
$ 846.00
$ 846.00 - $ 846.00
$ 846.00
$ 677.00
$ 677.00 - $ 677.00
$ 677.00
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 %
$ 888.00
$ 888.00 - $ 888.00
$ 888.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00

Foster FF12P-106ORB, 1/2" Flat Face Hydraulic Plug x 1-1/16"-12 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-106ORB is a nickel-plated steel 1/2" plug fro...

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$ 888.00
$ 888.00 - $ 888.00
$ 888.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00
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 %
$ 746.00
$ 746.00 - $ 746.00
$ 746.00
$ 598.00
$ 598.00 - $ 598.00
$ 598.00

Foster FF12P-08, 1/2" Flat Face Hydraulic Plug x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12P-08 is a nickel-plated steel 1/2" plug from th...

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$ 746.00
$ 746.00 - $ 746.00
$ 746.00
$ 598.00
$ 598.00 - $ 598.00
$ 598.00
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 %
$ 2,539.00
$ 2,539.00 - $ 2,539.00
$ 2,539.00
$ 2,032.00
$ 2,032.00 - $ 2,032.00
$ 2,032.00

Foster FF12CUPP-12, 1/2" Flat Face Connect-Under-Pressure Hydraulic Plug x 3/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12CUPP-12 is a nickel-plated steel 1/2" plug from...

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$ 2,539.00
$ 2,539.00 - $ 2,539.00
$ 2,539.00
$ 2,032.00
$ 2,032.00 - $ 2,032.00
$ 2,032.00
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 %
$ 2,539.00
$ 2,539.00 - $ 2,539.00
$ 2,539.00
$ 2,032.00
$ 2,032.00 - $ 2,032.00
$ 2,032.00

Foster FF12CUPP-08, 1/2" Flat Face Connect-Under-Pressure Hydraulic Plug x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF12CUPP-08 is a nickel-plated steel 1/2" plug from...

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$ 2,539.00
$ 2,539.00 - $ 2,539.00
$ 2,539.00
$ 2,032.00
$ 2,032.00 - $ 2,032.00
$ 2,032.00
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 %
$ 1,292.00
$ 1,292.00 - $ 1,292.00
$ 1,292.00
$ 1,033.00
$ 1,033.00 - $ 1,033.00
$ 1,033.00

Foster FF10S-75ORB, 3/8" Flat Face Hydraulic Coupler x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-75ORB is a nickel-plated steel 3/8" coupler f...

View full details
$ 1,292.00
$ 1,292.00 - $ 1,292.00
$ 1,292.00
$ 1,033.00
$ 1,033.00 - $ 1,033.00
$ 1,033.00
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 %
$ 8,671.00
$ 8,671.00 - $ 8,671.00
$ 8,671.00
$ 6,937.00
$ 6,937.00 - $ 6,937.00
$ 6,937.00

Foster FF10S-08SS, 3/8" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-08SS is a 316 stainless steel 3/8" coupler fr...

View full details
$ 8,671.00
$ 8,671.00 - $ 8,671.00
$ 8,671.00
$ 6,937.00
$ 6,937.00 - $ 6,937.00
$ 6,937.00
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 %
$ 1,040.00
$ 1,040.00 - $ 1,040.00
$ 1,040.00
$ 832.00
$ 832.00 - $ 832.00
$ 832.00

Foster FF10S-08, 3/8" Flat Face Hydraulic Coupler x 1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-08 is a nickel-plated steel 3/8" coupler from...

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$ 1,040.00
$ 1,040.00 - $ 1,040.00
$ 1,040.00
$ 832.00
$ 832.00 - $ 832.00
$ 832.00
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 %
$ 7,979.00
$ 7,979.00 - $ 7,979.00
$ 7,979.00
$ 6,382.00
$ 6,382.00 - $ 6,382.00
$ 6,382.00

Foster FF10S-06SS, 3/8" Flat Face Hydraulic Coupler x 3/8" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-06SS is a 316 stainless steel 3/8" coupler fr...

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$ 7,979.00
$ 7,979.00 - $ 7,979.00
$ 7,979.00
$ 6,382.00
$ 6,382.00 - $ 6,382.00
$ 6,382.00
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 %
$ 1,059.00
$ 1,059.00 - $ 1,059.00
$ 1,059.00
$ 848.00
$ 848.00 - $ 848.00
$ 848.00

Foster FF10S-06, 3/8" Flat Face Hydraulic Coupler x 3/8" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10S-06 is a nickel-plated steel 3/8" coupler from...

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$ 1,059.00
$ 1,059.00 - $ 1,059.00
$ 1,059.00
$ 848.00
$ 848.00 - $ 848.00
$ 848.00
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 %
$ 575.00
$ 575.00 - $ 575.00
$ 575.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00

Foster FF10P-75ORB, 3/8" Flat Face Hydraulic Plug x 3/4"-16 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF10P-75ORB is a nickel-plated steel 3/8" plug from...

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$ 575.00
$ 575.00 - $ 575.00
$ 575.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00
Save 20% Save %

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