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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 %
$ 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 %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 79.69
$ 79.69 - $ 79.69
$ 79.69
$ 63.69
$ 63.69 - $ 63.69
$ 63.69

Foster LNSC7, 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 LNSC7 is a brass and steel 1/4" coupler from the Fos...

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$ 79.69
$ 79.69 - $ 79.69
$ 79.69
$ 63.69
$ 63.69 - $ 63.69
$ 63.69
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 %
$ 77.79
$ 77.79 - $ 77.79
$ 77.79
$ 62.29
$ 62.29 - $ 62.29
$ 62.29

Foster LNSC5, 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 LNSC5 is a brass and steel 1/4" coupler from the Fos...

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$ 77.79
$ 77.79 - $ 77.79
$ 77.79
$ 62.29
$ 62.29 - $ 62.29
$ 62.29
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 %
$ 63.09
$ 63.09 - $ 63.09
$ 63.09
$ 50.49
$ 50.49 - $ 50.49
$ 50.49

Foster LNSB7, 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 LNSB7 is a brass and steel 1/4" coupler from the Fos...

View full details
$ 63.09
$ 63.09 - $ 63.09
$ 63.09
$ 50.49
$ 50.49 - $ 50.49
$ 50.49
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 %
$ 34.19
$ 34.19 - $ 34.19
$ 34.19
$ 27.39
$ 27.39 - $ 27.39
$ 27.39

Foster LN3703M, 1/4" Lincoln Long Nose Coupler x 3/8" Hose ID, LN Series, Manual, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3703M is a brass and steel 1/4" coupler from the F...

View full details
$ 34.19
$ 34.19 - $ 34.19
$ 34.19
$ 27.39
$ 27.39 - $ 27.39
$ 27.39
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 %
$ 37.39
$ 37.39 - $ 37.39
$ 37.39
$ 29.89
$ 29.89 - $ 29.89
$ 29.89

Foster LNSB5, 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 LNSB5 is a brass and steel 1/4" coupler from the Fos...

View full details
$ 37.39
$ 37.39 - $ 37.39
$ 37.39
$ 29.89
$ 29.89 - $ 29.89
$ 29.89
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 %
$ 38.49
$ 38.49 - $ 38.49
$ 38.49
$ 30.79
$ 30.79 - $ 30.79
$ 30.79

Foster LNSB3, 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 LNSB3 is a brass and steel 1/4" coupler from the Fos...

View full details
$ 38.49
$ 38.49 - $ 38.49
$ 38.49
$ 30.79
$ 30.79 - $ 30.79
$ 30.79
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 %
$ 41.39
$ 41.39 - $ 41.39
$ 41.39
$ 33.09
$ 33.09 - $ 33.09
$ 33.09

Foster LN3703, 1/4" Lincoln Long Nose Coupler x 3/8" Hose ID, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3703 is a brass and steel 1/4" coupler from the Fo...

View full details
$ 41.39
$ 41.39 - $ 41.39
$ 41.39
$ 33.09
$ 33.09 - $ 33.09
$ 33.09
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 %
$ 66.39
$ 66.39 - $ 66.39
$ 66.39
$ 53.19
$ 53.19 - $ 53.19
$ 53.19

Foster LN3653, 1/4" Lincoln Long Nose Coupler x 5/16" Hose ID, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3653 is a brass and steel 1/4" coupler from the Fo...

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$ 66.39
$ 66.39 - $ 66.39
$ 66.39
$ 53.19
$ 53.19 - $ 53.19
$ 53.19
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 %
$ 34.39
$ 34.39 - $ 34.39
$ 34.39
$ 27.49
$ 27.49 - $ 27.49
$ 27.49

Foster LN3603M, 1/4" Lincoln Long Nose Coupler x 1/4" Hose ID, LN Series, Manual, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3603M is a brass and steel 1/4" coupler from the F...

View full details
$ 34.39
$ 34.39 - $ 34.39
$ 34.39
$ 27.49
$ 27.49 - $ 27.49
$ 27.49
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 %
$ 40.19
$ 40.19 - $ 40.19
$ 40.19
$ 32.09
$ 32.09 - $ 32.09
$ 32.09

Foster LN3603, 1/4" Lincoln Long Nose Coupler x 1/4" Hose ID, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3603 is a brass and steel 1/4" coupler from the Fo...

View full details
$ 40.19
$ 40.19 - $ 40.19
$ 40.19
$ 32.09
$ 32.09 - $ 32.09
$ 32.09
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 %
$ 33.99
$ 33.99 - $ 33.99
$ 33.99
$ 27.19
$ 27.19 - $ 27.19
$ 27.19

Foster LN3303M, 1/4" Lincoln Long Nose Coupler x 3/8" Male NPT, LN Series, Manual, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3303M is a brass and steel 1/4" coupler from the F...

View full details
$ 33.99
$ 33.99 - $ 33.99
$ 33.99
$ 27.19
$ 27.19 - $ 27.19
$ 27.19
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 %
$ 39.79
$ 39.79 - $ 39.79
$ 39.79
$ 31.89
$ 31.89 - $ 31.89
$ 31.89

Foster LN3303, 1/4" Lincoln Long Nose Coupler x 3/8" Male NPT, LN Series, Automatic, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3303 is a brass and steel 1/4" coupler from the Fo...

View full details
$ 39.79
$ 39.79 - $ 39.79
$ 39.79
$ 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 %
$ 34.39
$ 34.39 - $ 34.39
$ 34.39
$ 27.49
$ 27.49 - $ 27.49
$ 27.49

Foster LN3203M, 1/4" Lincoln Long Nose Coupler x 3/8" Female NPT, LN Series, Manual, Brass and Steel

Secure, high-flow air connections that interchange with Lincoln Long Nose couplers. The Foster LN3203M is a brass and steel 1/4" coupler from the F...

View full details
$ 34.39
$ 34.39 - $ 34.39
$ 34.39
$ 27.49
$ 27.49 - $ 27.49
$ 27.49
Save 20% Save %

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