Skip to content
☀️ Take an Additional 10% Off Your Entire Order with code GEARUP10 at checkout.
☀️ Additional 10% Off • GEARUP10

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.

Filters

Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 17,884.00
$ 17,884.00 - $ 17,884.00
$ 17,884.00
$ 14,308.00
$ 14,308.00 - $ 14,308.00
$ 14,308.00

Foster FF32S-24, 1-1/4" Flat Face Hydraulic Coupler x 1-1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF32S-24 is a nickel-plated steel 1-1/4" coupler fr...

View full details
$ 17,884.00
$ 17,884.00 - $ 17,884.00
$ 17,884.00
$ 14,308.00
$ 14,308.00 - $ 14,308.00
$ 14,308.00
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 %
$ 10,015.00
$ 10,015.00 - $ 10,015.00
$ 10,015.00
$ 8,012.00
$ 8,012.00 - $ 8,012.00
$ 8,012.00

Foster FF32P-24, 1-1/4" Flat Face Hydraulic Plug x 1-1/2" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF32P-24 is a nickel-plated steel 1-1/4" plug from ...

View full details
$ 10,015.00
$ 10,015.00 - $ 10,015.00
$ 10,015.00
$ 8,012.00
$ 8,012.00 - $ 8,012.00
$ 8,012.00
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 %
$ 42,547.00
$ 42,547.00 - $ 42,547.00
$ 42,547.00
$ 34,036.00
$ 34,036.00 - $ 34,036.00
$ 34,036.00

Foster FF25S-20SS, 1" Flat Face Hydraulic Coupler x 1-1/4" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25S-20SS is a 316 stainless steel 1" coupler from...

View full details
$ 42,547.00
$ 42,547.00 - $ 42,547.00
$ 42,547.00
$ 34,036.00
$ 34,036.00 - $ 34,036.00
$ 34,036.00
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 %
$ 5,438.00
$ 5,438.00 - $ 5,438.00
$ 5,438.00
$ 4,351.00
$ 4,351.00 - $ 4,351.00
$ 4,351.00

Foster FF25S-20, 1" Flat Face Hydraulic Coupler x 1-1/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25S-20 is a nickel-plated steel 1" coupler from t...

View full details
$ 5,438.00
$ 5,438.00 - $ 5,438.00
$ 5,438.00
$ 4,351.00
$ 4,351.00 - $ 4,351.00
$ 4,351.00
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 %
$ 42,547.00
$ 42,547.00 - $ 42,547.00
$ 42,547.00
$ 34,036.00
$ 34,036.00 - $ 34,036.00
$ 34,036.00

Foster FF25S-16SS, 1" Flat Face Hydraulic Coupler x 1" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25S-16SS is a 316 stainless steel 1" coupler from...

View full details
$ 42,547.00
$ 42,547.00 - $ 42,547.00
$ 42,547.00
$ 34,036.00
$ 34,036.00 - $ 34,036.00
$ 34,036.00
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 %
$ 5,438.00
$ 5,438.00 - $ 5,438.00
$ 5,438.00
$ 4,351.00
$ 4,351.00 - $ 4,351.00
$ 4,351.00

Foster FF25S-162ORB, 1" Flat Face Hydraulic Coupler x 1-5/8"-12 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25S-162ORB is a nickel-plated steel 1" coupler fr...

View full details
$ 5,438.00
$ 5,438.00 - $ 5,438.00
$ 5,438.00
$ 4,351.00
$ 4,351.00 - $ 4,351.00
$ 4,351.00
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 %
$ 5,438.00
$ 5,438.00 - $ 5,438.00
$ 5,438.00
$ 4,351.00
$ 4,351.00 - $ 4,351.00
$ 4,351.00

Foster FF25S-16, 1" Flat Face Hydraulic Coupler x 1" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25S-16 is a nickel-plated steel 1" coupler from t...

View full details
$ 5,438.00
$ 5,438.00 - $ 5,438.00
$ 5,438.00
$ 4,351.00
$ 4,351.00 - $ 4,351.00
$ 4,351.00
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 %
$ 24,973.00
$ 24,973.00 - $ 24,973.00
$ 24,973.00
$ 19,978.00
$ 19,978.00 - $ 19,978.00
$ 19,978.00

Foster FF25P-20SS, 1" Flat Face Hydraulic Plug x 1-1/4" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25P-20SS is a 316 stainless steel 1" plug from th...

View full details
$ 24,973.00
$ 24,973.00 - $ 24,973.00
$ 24,973.00
$ 19,978.00
$ 19,978.00 - $ 19,978.00
$ 19,978.00
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 %
$ 2,906.00
$ 2,906.00 - $ 2,906.00
$ 2,906.00
$ 2,324.00
$ 2,324.00 - $ 2,324.00
$ 2,324.00

Foster FF25P-20, 1" Flat Face Hydraulic Plug x 1-1/4" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25P-20 is a nickel-plated steel 1" plug from the ...

View full details
$ 2,906.00
$ 2,906.00 - $ 2,906.00
$ 2,906.00
$ 2,324.00
$ 2,324.00 - $ 2,324.00
$ 2,324.00
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 %
$ 24,973.00
$ 24,973.00 - $ 24,973.00
$ 24,973.00
$ 19,978.00
$ 19,978.00 - $ 19,978.00
$ 19,978.00

Foster FF25P-16SS, 1" Flat Face Hydraulic Plug x 1" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25P-16SS is a 316 stainless steel 1" plug from th...

View full details
$ 24,973.00
$ 24,973.00 - $ 24,973.00
$ 24,973.00
$ 19,978.00
$ 19,978.00 - $ 19,978.00
$ 19,978.00
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 %
$ 2,908.00
$ 2,908.00 - $ 2,908.00
$ 2,908.00
$ 2,326.00
$ 2,326.00 - $ 2,326.00
$ 2,326.00

Foster FF19S-16, 3/4" Flat Face Hydraulic Coupler x 1" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19S-16 is a nickel-plated steel 3/4" coupler from...

View full details
$ 2,908.00
$ 2,908.00 - $ 2,908.00
$ 2,908.00
$ 2,326.00
$ 2,326.00 - $ 2,326.00
$ 2,326.00
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 %
$ 2,906.00
$ 2,906.00 - $ 2,906.00
$ 2,906.00
$ 2,324.00
$ 2,324.00 - $ 2,324.00
$ 2,324.00

Foster FF25P-162ORB, 1" Flat Face Hydraulic Plug x 1-5/8"-12 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25P-162ORB is a nickel-plated steel 1" plug from ...

View full details
$ 2,906.00
$ 2,906.00 - $ 2,906.00
$ 2,906.00
$ 2,324.00
$ 2,324.00 - $ 2,324.00
$ 2,324.00
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 %
$ 2,906.00
$ 2,906.00 - $ 2,906.00
$ 2,906.00
$ 2,324.00
$ 2,324.00 - $ 2,324.00
$ 2,324.00

Foster FF25P-16, 1" Flat Face Hydraulic Plug x 1" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF25P-16 is a nickel-plated steel 1" plug from the ...

View full details
$ 2,906.00
$ 2,906.00 - $ 2,906.00
$ 2,906.00
$ 2,324.00
$ 2,324.00 - $ 2,324.00
$ 2,324.00
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 %
$ 23,586.00
$ 23,586.00 - $ 23,586.00
$ 23,586.00
$ 18,869.00
$ 18,869.00 - $ 18,869.00
$ 18,869.00

Foster FF19S-16SS, 3/4" Flat Face Hydraulic Coupler x 1" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19S-16SS is a 316 stainless steel 3/4" coupler fr...

View full details
$ 23,586.00
$ 23,586.00 - $ 23,586.00
$ 23,586.00
$ 18,869.00
$ 18,869.00 - $ 18,869.00
$ 18,869.00
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 %
$ 3,047.00
$ 3,047.00 - $ 3,047.00
$ 3,047.00
$ 2,437.00
$ 2,437.00 - $ 2,437.00
$ 2,437.00

Foster FF19S-131ORB, 3/4" Flat Face Hydraulic Coupler x 1-5/16"-12 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19S-131ORB is a nickel-plated steel 3/4" coupler ...

View full details
$ 3,047.00
$ 3,047.00 - $ 3,047.00
$ 3,047.00
$ 2,437.00
$ 2,437.00 - $ 2,437.00
$ 2,437.00
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 %
$ 23,586.00
$ 23,586.00 - $ 23,586.00
$ 23,586.00
$ 18,869.00
$ 18,869.00 - $ 18,869.00
$ 18,869.00

Foster FF19S-12SS, 3/4" 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 FF19S-12SS is a 316 stainless steel 3/4" coupler fr...

View full details
$ 23,586.00
$ 23,586.00 - $ 23,586.00
$ 23,586.00
$ 18,869.00
$ 18,869.00 - $ 18,869.00
$ 18,869.00
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 %
$ 2,908.00
$ 2,908.00 - $ 2,908.00
$ 2,908.00
$ 2,326.00
$ 2,326.00 - $ 2,326.00
$ 2,326.00

Foster FF19S-12, 3/4" 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 FF19S-12 is a nickel-plated steel 3/4" coupler from...

View full details
$ 2,908.00
$ 2,908.00 - $ 2,908.00
$ 2,908.00
$ 2,326.00
$ 2,326.00 - $ 2,326.00
$ 2,326.00
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 %
$ 14,105.00
$ 14,105.00 - $ 14,105.00
$ 14,105.00
$ 11,284.00
$ 11,284.00 - $ 11,284.00
$ 11,284.00

Foster FF19P-16SS, 3/4" Flat Face Hydraulic Plug x 1" Female NPT, FF Plus Series, 316 Stainless Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19P-16SS is a 316 stainless steel 3/4" plug from ...

View full details
$ 14,105.00
$ 14,105.00 - $ 14,105.00
$ 14,105.00
$ 11,284.00
$ 11,284.00 - $ 11,284.00
$ 11,284.00
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 %
$ 1,246.00
$ 1,246.00 - $ 1,246.00
$ 1,246.00
$ 998.00
$ 998.00 - $ 998.00
$ 998.00

Foster FF19P-16, 3/4" Flat Face Hydraulic Plug x 1" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19P-16 is a nickel-plated steel 3/4" plug from th...

View full details
$ 1,246.00
$ 1,246.00 - $ 1,246.00
$ 1,246.00
$ 998.00
$ 998.00 - $ 998.00
$ 998.00
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 %
$ 1,304.00
$ 1,304.00 - $ 1,304.00
$ 1,304.00
$ 1,043.00
$ 1,043.00 - $ 1,043.00
$ 1,043.00

Foster FF19P-131ORB, 3/4" Flat Face Hydraulic Plug x 1-5/16"-12 ORB, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19P-131ORB is a nickel-plated steel 3/4" plug fro...

View full details
$ 1,304.00
$ 1,304.00 - $ 1,304.00
$ 1,304.00
$ 1,043.00
$ 1,043.00 - $ 1,043.00
$ 1,043.00
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 %
$ 14,105.00
$ 14,105.00 - $ 14,105.00
$ 14,105.00
$ 11,284.00
$ 11,284.00 - $ 11,284.00
$ 11,284.00

Foster FF19P-12SS, 3/4" 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 FF19P-12SS is a 316 stainless steel 3/4" plug from ...

View full details
$ 14,105.00
$ 14,105.00 - $ 14,105.00
$ 14,105.00
$ 11,284.00
$ 11,284.00 - $ 11,284.00
$ 11,284.00
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 %
$ 1,246.00
$ 1,246.00 - $ 1,246.00
$ 1,246.00
$ 998.00
$ 998.00 - $ 998.00
$ 998.00

Foster FF19P-12, 3/4" 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 FF19P-12 is a nickel-plated steel 3/4" plug from th...

View full details
$ 1,246.00
$ 1,246.00 - $ 1,246.00
$ 1,246.00
$ 998.00
$ 998.00 - $ 998.00
$ 998.00
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 %
$ 5,852.00
$ 5,852.00 - $ 5,852.00
$ 5,852.00
$ 4,680.00
$ 4,680.00 - $ 4,680.00
$ 4,680.00

Foster FF19CUPP-16, 3/4" Flat Face Connect-Under-Pressure Hydraulic Plug x 1" Female NPT, FF Plus Series, Nickel-Plated Steel

Premium flat-face hydraulic connections that stay clean and lose virtually no fluid. The Foster FF19CUPP-16 is a nickel-plated steel 3/4" plug from...

View full details
$ 5,852.00
$ 5,852.00 - $ 5,852.00
$ 5,852.00
$ 4,680.00
$ 4,680.00 - $ 4,680.00
$ 4,680.00
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 %
$ 13,527.00
$ 13,527.00 - $ 13,527.00
$ 13,527.00
$ 10,822.00
$ 10,822.00 - $ 10,822.00
$ 10,822.00

Foster FF16S-12SS, 5/8" 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 FF16S-12SS is a 316 stainless steel 5/8" coupler fr...

View full details
$ 13,527.00
$ 13,527.00 - $ 13,527.00
$ 13,527.00
$ 10,822.00
$ 10,822.00 - $ 10,822.00
$ 10,822.00
Save 20% Save %

Request a Quote

Bulk and dealer pricing. Tell us what you need and we’ll reply within one business day.