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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 %
$ 17.79
$ 17.79 - $ 17.79
$ 17.79
$ 14.29
$ 14.29 - $ 14.29
$ 14.29

Foster BLFS200V, 1/4" Jiffy-Tite Mold Coolant Coupler x 1/4" Hose Barb, FJT Series, One-Way Valved, Ball Lock, Brass

Fast coolant-line connections that slash mold-change downtime. The Foster BLFS200V is a brass 1/4" coupler from the FJT Series — the Jiffy-Tite mol...

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$ 17.79
$ 17.79 - $ 17.79
$ 17.79
$ 14.29
$ 14.29 - $ 14.29
$ 14.29
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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 %
$ 63.49
$ 63.49 - $ 63.49
$ 63.49
$ 50.79
$ 50.79 - $ 50.79
$ 50.79

Foster FHS4M4B, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS4M4B is a brass 1/2" coupler from the FH Series, whic...

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$ 63.49
$ 63.49 - $ 63.49
$ 63.49
$ 50.79
$ 50.79 - $ 50.79
$ 50.79
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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 %
$ 70.89
$ 70.89 - $ 70.89
$ 70.89
$ 56.69
$ 56.69 - $ 56.69
$ 56.69

Foster FHS4M4B-103, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, EPDM Seal, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS4M4B-103 is a brass 1/2" coupler from the FH Series, ...

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$ 70.89
$ 70.89 - $ 70.89
$ 70.89
$ 56.69
$ 56.69 - $ 56.69
$ 56.69
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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 %
$ 49.29
$ 49.29 - $ 49.29
$ 49.29
$ 39.39
$ 39.39 - $ 39.39
$ 39.39

Foster FHS4M4-101, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, Viton Seal, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS4M4-101 is a zinc-plated steel 1/2" coupler from the ...

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$ 49.29
$ 49.29 - $ 49.29
$ 49.29
$ 39.39
$ 39.39 - $ 39.39
$ 39.39
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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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$ 45.59
$ 45.59 - $ 45.59
$ 45.59
$ 36.39
$ 36.39 - $ 36.39
$ 36.39

Foster FHS4M4, 1/2" Snap-Tite H Interchange Coupler x 1/2" Male NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS4M4 is a zinc-plated steel 1/2" coupler from the FH S...

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$ 45.59
$ 45.59 - $ 45.59
$ 45.59
$ 36.39
$ 36.39 - $ 36.39
$ 36.39
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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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$ 60.09
$ 60.09 - $ 60.09
$ 60.09
$ 47.99
$ 47.99 - $ 47.99
$ 47.99

Foster FHS4F4B, 1/2" Snap-Tite H Interchange Coupler x 1/2" Female NPT, FH Series, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS4F4B is a brass 1/2" coupler from the FH Series, whic...

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$ 60.09
$ 60.09 - $ 60.09
$ 60.09
$ 47.99
$ 47.99 - $ 47.99
$ 47.99
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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 %
$ 45.19
$ 45.19 - $ 45.19
$ 45.19
$ 36.19
$ 36.19 - $ 36.19
$ 36.19

Foster FHS4F4, 1/2" Snap-Tite H Interchange Coupler x 1/2" Female NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS4F4 is a zinc-plated steel 1/2" coupler from the FH S...

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$ 45.19
$ 45.19 - $ 45.19
$ 45.19
$ 36.19
$ 36.19 - $ 36.19
$ 36.19
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 %
$ 35.89
$ 35.89 - $ 35.89
$ 35.89
$ 28.69
$ 28.69 - $ 28.69
$ 28.69

Foster FHS4B, 1/2" Snap-Tite H Interchange Coupler x 1/2" Female NPT, FH Series, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS4B is a brass 1/2" coupler from the FH Series, which ...

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$ 35.89
$ 35.89 - $ 35.89
$ 35.89
$ 28.69
$ 28.69 - $ 28.69
$ 28.69
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 %
$ 28.49
$ 28.49 - $ 28.49
$ 28.49
$ 22.79
$ 22.79 - $ 22.79
$ 22.79

Foster FHS4, 1/2" Snap-Tite H Interchange Coupler x 1/2" Female NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS4 is a zinc-plated steel 1/2" coupler from the FH Ser...

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$ 28.49
$ 28.49 - $ 28.49
$ 28.49
$ 22.79
$ 22.79 - $ 22.79
$ 22.79
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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$ 42.49
$ 42.49 - $ 42.49
$ 42.49
$ 33.99
$ 33.99 - $ 33.99
$ 33.99

Foster FHS3M3B, 3/8" Snap-Tite H Interchange Coupler x 3/8" Male NPT, FH Series, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS3M3B is a brass 3/8" coupler from the FH Series, whic...

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$ 42.49
$ 42.49 - $ 42.49
$ 42.49
$ 33.99
$ 33.99 - $ 33.99
$ 33.99
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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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$ 88.79
$ 88.79 - $ 88.79
$ 88.79
$ 70.99
$ 70.99 - $ 70.99
$ 70.99

Foster FHS3M3, 3/8" Snap-Tite H Interchange Coupler x 3/8" Male NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS3M3 is a zinc-plated steel 3/8" coupler from the FH S...

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$ 88.79
$ 88.79 - $ 88.79
$ 88.79
$ 70.99
$ 70.99 - $ 70.99
$ 70.99
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 %
$ 40.09
$ 40.09 - $ 40.09
$ 40.09
$ 32.09
$ 32.09 - $ 32.09
$ 32.09

Foster FHS3F3B, 3/8" Snap-Tite H Interchange Coupler x 3/8" Female NPT, FH Series, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS3F3B is a brass 3/8" coupler from the FH Series, whic...

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$ 40.09
$ 40.09 - $ 40.09
$ 40.09
$ 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 %
$ 75.09
$ 75.09 - $ 75.09
$ 75.09
$ 60.09
$ 60.09 - $ 60.09
$ 60.09

Foster FHS3F3, 3/8" Snap-Tite H Interchange Coupler x 3/8" Female NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS3F3 is a zinc-plated steel 3/8" coupler from the FH S...

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$ 75.09
$ 75.09 - $ 75.09
$ 75.09
$ 60.09
$ 60.09 - $ 60.09
$ 60.09
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 %
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.19
$ 22.19 - $ 22.19
$ 22.19

Foster FHS3B, 3/8" Snap-Tite H Interchange Coupler x 3/8" Female NPT, FH Series, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS3B is a brass 3/8" coupler from the FH Series, which ...

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$ 27.69
$ 27.69 - $ 27.69
$ 27.69
$ 22.19
$ 22.19 - $ 22.19
$ 22.19
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 %
$ 26.09
$ 26.09 - $ 26.09
$ 26.09
$ 20.89
$ 20.89 - $ 20.89
$ 20.89

Foster FHS3-101, 3/8" Snap-Tite H Interchange Coupler x 3/8" Female NPT, FH Series, Viton Seal, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS3-101 is a zinc-plated steel 3/8" coupler from the FH...

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$ 26.09
$ 26.09 - $ 26.09
$ 26.09
$ 20.89
$ 20.89 - $ 20.89
$ 20.89
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 %
$ 23.29
$ 23.29 - $ 23.29
$ 23.29
$ 18.69
$ 18.69 - $ 18.69
$ 18.69

Foster FHS3, 3/8" Snap-Tite H Interchange Coupler x 3/8" Female NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS3 is a zinc-plated steel 3/8" coupler from the FH Ser...

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$ 23.29
$ 23.29 - $ 23.29
$ 23.29
$ 18.69
$ 18.69 - $ 18.69
$ 18.69
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 %
$ 35.69
$ 35.69 - $ 35.69
$ 35.69
$ 28.59
$ 28.59 - $ 28.59
$ 28.59

Foster FHS2M2B, 1/4" Snap-Tite H Interchange Coupler x 1/4" Male NPT, FH Series, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS2M2B is a brass 1/4" coupler from the FH Series, whic...

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$ 35.69
$ 35.69 - $ 35.69
$ 35.69
$ 28.59
$ 28.59 - $ 28.59
$ 28.59
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 %
$ 35.79
$ 35.79 - $ 35.79
$ 35.79
$ 28.59
$ 28.59 - $ 28.59
$ 28.59

Foster FHS2M2-101, 1/4" Snap-Tite H Interchange Coupler x 1/4" Male NPT, FH Series, Viton Seal, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS2M2-101 is a zinc-plated steel 1/4" coupler from the ...

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$ 35.79
$ 35.79 - $ 35.79
$ 35.79
$ 28.59
$ 28.59 - $ 28.59
$ 28.59
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 %
$ 34.59
$ 34.59 - $ 34.59
$ 34.59
$ 27.69
$ 27.69 - $ 27.69
$ 27.69

Foster FHS2M2, 1/4" Snap-Tite H Interchange Coupler x 1/4" Male NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS2M2 is a zinc-plated steel 1/4" coupler from the FH S...

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$ 34.59
$ 34.59 - $ 34.59
$ 34.59
$ 27.69
$ 27.69 - $ 27.69
$ 27.69
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 %
$ 36.19
$ 36.19 - $ 36.19
$ 36.19
$ 28.99
$ 28.99 - $ 28.99
$ 28.99

Foster FHS2F2B-103, 1/4" Snap-Tite H Interchange Coupler x 1/4" Female NPT, FH Series, EPDM Seal, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS2F2B-103 is a brass 1/4" coupler from the FH Series, ...

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$ 36.19
$ 36.19 - $ 36.19
$ 36.19
$ 28.99
$ 28.99 - $ 28.99
$ 28.99
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 %
$ 37.09
$ 37.09 - $ 37.09
$ 37.09
$ 29.69
$ 29.69 - $ 29.69
$ 29.69

Foster FHS2F2B-101, 1/4" Snap-Tite H Interchange Coupler x 1/4" Female NPT, FH Series, Viton Seal, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS2F2B-101 is a brass 1/4" coupler from the FH Series, ...

View full details
$ 37.09
$ 37.09 - $ 37.09
$ 37.09
$ 29.69
$ 29.69 - $ 29.69
$ 29.69
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 %
$ 35.49
$ 35.49 - $ 35.49
$ 35.49
$ 28.39
$ 28.39 - $ 28.39
$ 28.39

Foster FHS2F2B, 1/4" Snap-Tite H Interchange Coupler x 1/4" Female NPT, FH Series, Brass

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS2F2B is a brass 1/4" coupler from the FH Series, whic...

View full details
$ 35.49
$ 35.49 - $ 35.49
$ 35.49
$ 28.39
$ 28.39 - $ 28.39
$ 28.39
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 %
$ 30.59
$ 30.59 - $ 30.59
$ 30.59
$ 24.49
$ 24.49 - $ 24.49
$ 24.49

Foster FHS2F2-101, 1/4" Snap-Tite H Interchange Coupler x 1/4" Female NPT, FH Series, Viton Seal, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS2F2-101 is a zinc-plated steel 1/4" coupler from the ...

View full details
$ 30.59
$ 30.59 - $ 30.59
$ 30.59
$ 24.49
$ 24.49 - $ 24.49
$ 24.49
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 %
$ 29.39
$ 29.39 - $ 29.39
$ 29.39
$ 23.49
$ 23.49 - $ 23.49
$ 23.49

Foster FHS2F2, 1/4" Snap-Tite H Interchange Coupler x 1/4" Female NPT, FH Series, Zinc-Plated Steel

High-flow hydraulic and pneumatic connections proven in gas and fluid handling. The Foster FHS2F2 is a zinc-plated steel 1/4" coupler from the FH S...

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$ 29.39
$ 29.39 - $ 29.39
$ 29.39
$ 23.49
$ 23.49 - $ 23.49
$ 23.49
Save 20% Save %

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