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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 %
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39

Foster 4D13, 3/8" Hose x 3/8" Male NPT Reusable Hose Fitting, 13/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4D13 accepts 3/8" ID hose (13/1...

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$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39
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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 %
$ 25.89
$ 25.89 - $ 25.89
$ 25.89
$ 20.69
$ 20.69 - $ 20.69
$ 20.69

Foster 4P17, 1/2" Hose x 3/8" Male NPT Reusable Hose Fitting, 15/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4P17 accepts 1/2" ID hose (15/1...

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$ 25.89
$ 25.89 - $ 25.89
$ 25.89
$ 20.69
$ 20.69 - $ 20.69
$ 20.69
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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 %
$ 28.69
$ 28.69 - $ 28.69
$ 28.69
$ 22.99
$ 22.99 - $ 22.99
$ 22.99

Foster 4P19, 1/2" Hose x 3/8" Male NPT Reusable Hose Fitting, 1" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4P19 accepts 1/2" ID hose (1" O...

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$ 28.69
$ 28.69 - $ 28.69
$ 28.69
$ 22.99
$ 22.99 - $ 22.99
$ 22.99
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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 %
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69

Foster 4P15, 1/2" Hose x 3/8" Male NPT Reusable Hose Fitting, 7/8" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4P15 accepts 1/2" ID hose (7/8"...

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$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69
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 %
$ 23.69
$ 23.69 - $ 23.69
$ 23.69
$ 18.99
$ 18.99 - $ 18.99
$ 18.99

Foster 4P13, 1/2" Hose x 3/8" Male NPT Reusable Hose Fitting, 13/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4P13 accepts 1/2" ID hose (13/1...

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$ 23.69
$ 23.69 - $ 23.69
$ 23.69
$ 18.99
$ 18.99 - $ 18.99
$ 18.99
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 %
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19

Foster 4D7, 3/8" Hose x 3/8" Male NPT Reusable Hose Fitting, 5/8" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4D7 accepts 3/8" ID hose (5/8" ...

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$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19
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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 %
$ 14.29
$ 14.29 - $ 14.29
$ 14.29
$ 11.49
$ 11.49 - $ 11.49
$ 11.49

Foster 4D11, 3/8" Hose x 3/8" Male NPT Reusable Hose Fitting, 3/4" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4D11 accepts 3/8" ID hose (3/4"...

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$ 14.29
$ 14.29 - $ 14.29
$ 14.29
$ 11.49
$ 11.49 - $ 11.49
$ 11.49
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 %
$ 12.89
$ 12.89 - $ 12.89
$ 12.89
$ 10.29
$ 10.29 - $ 10.29
$ 10.29

Foster 4D9, 3/8" Hose x 3/8" Male NPT Reusable Hose Fitting, 11/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4D9 accepts 3/8" ID hose (11/16...

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$ 12.89
$ 12.89 - $ 12.89
$ 12.89
$ 10.29
$ 10.29 - $ 10.29
$ 10.29
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 %
$ 15.69
$ 15.69 - $ 15.69
$ 15.69
$ 12.59
$ 12.59 - $ 12.59
$ 12.59

Foster 4B7, 1/4" Hose x 3/8" Male NPT Reusable Hose Fitting, 5/8" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4B7 accepts 1/4" ID hose (5/8" ...

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$ 15.69
$ 15.69 - $ 15.69
$ 15.69
$ 12.59
$ 12.59 - $ 12.59
$ 12.59
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 %
$ 15.29
$ 15.29 - $ 15.29
$ 15.29
$ 12.19
$ 12.19 - $ 12.19
$ 12.19

Foster 4B3, 1/4" Hose x 3/8" Male NPT Reusable Hose Fitting, 1/2" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4B3 accepts 1/4" ID hose (1/2" ...

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$ 15.29
$ 15.29 - $ 15.29
$ 15.29
$ 12.19
$ 12.19 - $ 12.19
$ 12.19
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 %
$ 25.49
$ 25.49 - $ 25.49
$ 25.49
$ 20.39
$ 20.39 - $ 20.39
$ 20.39

Foster 2P19, 1/2" Hose x 1/4" Male NPT Reusable Hose Fitting, 1" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2P19 accepts 1/2" ID hose (1" O...

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$ 25.49
$ 25.49 - $ 25.49
$ 25.49
$ 20.39
$ 20.39 - $ 20.39
$ 20.39
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 %
$ 15.49
$ 15.49 - $ 15.49
$ 15.49
$ 12.39
$ 12.39 - $ 12.39
$ 12.39

Foster 4B5, 1/4" Hose x 3/8" Male NPT Reusable Hose Fitting, 9/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 3/8" male NPT — no crimping needed. The Foster 4B5 accepts 1/4" ID hose (9/16"...

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$ 15.49
$ 15.49 - $ 15.49
$ 15.49
$ 12.39
$ 12.39 - $ 12.39
$ 12.39
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 %
$ 23.89
$ 23.89 - $ 23.89
$ 23.89
$ 19.19
$ 19.19 - $ 19.19
$ 19.19

Foster 2P15, 1/2" Hose x 1/4" Male NPT Reusable Hose Fitting, 7/8" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2P15 accepts 1/2" ID hose (7/8"...

View full details
$ 23.89
$ 23.89 - $ 23.89
$ 23.89
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
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 %
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69

Foster 2P17, 1/2" Hose x 1/4" Male NPT Reusable Hose Fitting, 15/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2P17 accepts 1/2" ID hose (15/1...

View full details
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69
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 %
$ 22.99
$ 22.99 - $ 22.99
$ 22.99
$ 18.39
$ 18.39 - $ 18.39
$ 18.39

Foster 2P13, 1/2" Hose x 1/4" Male NPT Reusable Hose Fitting, 13/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2P13 accepts 1/2" ID hose (13/1...

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$ 22.99
$ 22.99 - $ 22.99
$ 22.99
$ 18.39
$ 18.39 - $ 18.39
$ 18.39
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 %
$ 14.39
$ 14.39 - $ 14.39
$ 14.39
$ 11.49
$ 11.49 - $ 11.49
$ 11.49

Foster 2D13, 3/8" Hose x 1/4" Male NPT Reusable Hose Fitting, 13/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2D13 accepts 3/8" ID hose (13/1...

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$ 14.39
$ 14.39 - $ 14.39
$ 14.39
$ 11.49
$ 11.49 - $ 11.49
$ 11.49
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 %
$ 11.59
$ 11.59 - $ 11.59
$ 11.59
$ 9.29
$ 9.29 - $ 9.29
$ 9.29

Foster 2D7, 3/8" Hose x 1/4" Male NPT Reusable Hose Fitting, 5/8" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2D7 accepts 3/8" ID hose (5/8" ...

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$ 11.59
$ 11.59 - $ 11.59
$ 11.59
$ 9.29
$ 9.29 - $ 9.29
$ 9.29
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 %
$ 15.69
$ 15.69 - $ 15.69
$ 15.69
$ 12.59
$ 12.59 - $ 12.59
$ 12.59

Foster 2C7, 5/16" Hose x 1/4" Male NPT Reusable Hose Fitting, 5/8" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2C7 accepts 5/16" ID hose (5/8"...

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$ 15.69
$ 15.69 - $ 15.69
$ 15.69
$ 12.59
$ 12.59 - $ 12.59
$ 12.59
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 %
$ 12.49
$ 12.49 - $ 12.49
$ 12.49
$ 9.99
$ 9.99 - $ 9.99
$ 9.99

Foster 2D11, 3/8" Hose x 1/4" Male NPT Reusable Hose Fitting, 3/4" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2D11 accepts 3/8" ID hose (3/4"...

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$ 12.49
$ 12.49 - $ 12.49
$ 12.49
$ 9.99
$ 9.99 - $ 9.99
$ 9.99
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 %
$ 18.39
$ 18.39 - $ 18.39
$ 18.39
$ 14.69
$ 14.69 - $ 14.69
$ 14.69

Foster 2B7, 1/4" Hose x 1/4" Male NPT Reusable Hose Fitting, 5/8" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2B7 accepts 1/4" ID hose (5/8" ...

View full details
$ 18.39
$ 18.39 - $ 18.39
$ 18.39
$ 14.69
$ 14.69 - $ 14.69
$ 14.69
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 %
$ 15.29
$ 15.29 - $ 15.29
$ 15.29
$ 12.19
$ 12.19 - $ 12.19
$ 12.19

Foster 2C5, 5/16" Hose x 1/4" Male NPT Reusable Hose Fitting, 9/16" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2C5 accepts 5/16" ID hose (9/16...

View full details
$ 15.29
$ 15.29 - $ 15.29
$ 15.29
$ 12.19
$ 12.19 - $ 12.19
$ 12.19
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 %
$ 10.09
$ 10.09 - $ 10.09
$ 10.09
$ 8.09
$ 8.09 - $ 8.09
$ 8.09

Foster 2B3, 1/4" Hose x 1/4" Male NPT Reusable Hose Fitting, 1/2" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2B3 accepts 1/4" ID hose (1/2" ...

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$ 10.09
$ 10.09 - $ 10.09
$ 10.09
$ 8.09
$ 8.09 - $ 8.09
$ 8.09
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 %
$ 50.89
$ 50.89 - $ 50.89
$ 50.89
$ 40.69
$ 40.69 - $ 40.69
$ 40.69

Foster 2B7S/S, 1/4" Hose x 1/4" Male NPT Reusable Hose Fitting, 5/8" OD, Reusable Series, 303 Stainless

A reusable hose-end fitting that screws onto the hose and threads to 1/4" male NPT — no crimping needed. The Foster 2B7S/S accepts 1/4" ID hose (5/...

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$ 50.89
$ 50.89 - $ 50.89
$ 50.89
$ 40.69
$ 40.69 - $ 40.69
$ 40.69
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 %
$ 14.79
$ 14.79 - $ 14.79
$ 14.79
$ 11.89
$ 11.89 - $ 11.89
$ 11.89

Foster 1B3, 1/4" Hose x 1/8" Male NPT Reusable Hose Fitting, 1/2" OD, Reusable Series, Brass

A reusable hose-end fitting that screws onto the hose and threads to 1/8" male NPT — no crimping needed. The Foster 1B3 accepts 1/4" ID hose (1/2" ...

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$ 14.79
$ 14.79 - $ 14.79
$ 14.79
$ 11.89
$ 11.89 - $ 11.89
$ 11.89
Save 20% Save %

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