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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 %
$ 33.59
$ 33.59 - $ 33.59
$ 33.59
$ 26.89
$ 26.89 - $ 26.89
$ 26.89

Foster FSS316-FS2603-04-04-04, Stainless Steel Union Tee, 1/4" ORFS x 1/4" ORFS x 1/4" ORFS, 316 Stainless

The Foster FSS316-FS2603-04-04-04 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 1/4" ORFS x 1/4" ORFS x 1/4"...

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$ 33.59
$ 33.59 - $ 33.59
$ 33.59
$ 26.89
$ 26.89 - $ 26.89
$ 26.89
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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 %
$ 55.99
$ 55.99 - $ 55.99
$ 55.99
$ 44.79
$ 44.79 - $ 44.79
$ 44.79

Foster FSS316-FS2603-08-08-08, Stainless Steel Union Tee, 1/2" ORFS x 1/2" ORFS x 1/2" ORFS, 316 Stainless

The Foster FSS316-FS2603-08-08-08 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 1/2" ORFS x 1/2" ORFS x 1/2"...

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$ 55.99
$ 55.99 - $ 55.99
$ 55.99
$ 44.79
$ 44.79 - $ 44.79
$ 44.79
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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 %
$ 39.99
$ 39.99 - $ 39.99
$ 39.99
$ 31.99
$ 31.99 - $ 31.99
$ 31.99

Foster FSS316-FS2603-06-06-06, Stainless Steel Union Tee, 3/8" ORFS x 3/8" ORFS x 3/8" ORFS, 316 Stainless

The Foster FSS316-FS2603-06-06-06 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 3/8" ORFS x 3/8" ORFS x 3/8"...

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$ 39.99
$ 39.99 - $ 39.99
$ 39.99
$ 31.99
$ 31.99 - $ 31.99
$ 31.99
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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 %
$ 60.79
$ 60.79 - $ 60.79
$ 60.79
$ 48.59
$ 48.59 - $ 48.59
$ 48.59

Foster FSS316-FS2500-12-12, Stainless Steel 90° Union Elbow, 3/4" ORFS x 3/4" ORFS, 316 Stainless

The Foster FSS316-FS2500-12-12 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 3/4" ORFS x 3/4" ORFS. Ma...

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$ 60.79
$ 60.79 - $ 60.79
$ 60.79
$ 48.59
$ 48.59 - $ 48.59
$ 48.59
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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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$ 95.99
$ 95.99 - $ 95.99
$ 95.99
$ 76.79
$ 76.79 - $ 76.79
$ 76.79

Foster FSS316-FS2500-16-16, Stainless Steel 90° Union Elbow, 1" ORFS x 1" ORFS, 316 Stainless

The Foster FSS316-FS2500-16-16 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 1" ORFS x 1" ORFS. Machin...

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$ 95.99
$ 95.99 - $ 95.99
$ 95.99
$ 76.79
$ 76.79 - $ 76.79
$ 76.79
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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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$ 44.79
$ 44.79 - $ 44.79
$ 44.79
$ 35.89
$ 35.89 - $ 35.89
$ 35.89

Foster FSS316-FS2500-10-10, Stainless Steel 90° Union Elbow, 5/8" ORFS x 5/8" ORFS, 316 Stainless

The Foster FSS316-FS2500-10-10 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 5/8" ORFS x 5/8" ORFS. Ma...

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$ 44.79
$ 44.79 - $ 44.79
$ 44.79
$ 35.89
$ 35.89 - $ 35.89
$ 35.89
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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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$ 23.99
$ 23.99 - $ 23.99
$ 23.99
$ 19.19
$ 19.19 - $ 19.19
$ 19.19

Foster FSS316-FS2500-04-04, Stainless Steel 90° Union Elbow, 1/4" ORFS x 1/4" ORFS, 316 Stainless

The Foster FSS316-FS2500-04-04 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 1/4" ORFS x 1/4" ORFS. Ma...

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$ 23.99
$ 23.99 - $ 23.99
$ 23.99
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
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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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$ 27.19
$ 27.19 - $ 27.19
$ 27.19
$ 21.79
$ 21.79 - $ 21.79
$ 21.79

Foster FSS316-FS2500-06-06, Stainless Steel 90° Union Elbow, 3/8" ORFS x 3/8" ORFS, 316 Stainless

The Foster FSS316-FS2500-06-06 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 3/8" ORFS x 3/8" ORFS. Ma...

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$ 27.19
$ 27.19 - $ 27.19
$ 27.19
$ 21.79
$ 21.79 - $ 21.79
$ 21.79
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 %
$ 33.59
$ 33.59 - $ 33.59
$ 33.59
$ 26.89
$ 26.89 - $ 26.89
$ 26.89

Foster FSS316-FS2500-08-08, Stainless Steel 90° Union Elbow, 1/2" ORFS x 1/2" ORFS, 316 Stainless

The Foster FSS316-FS2500-08-08 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 90° Union Elbow, 1/2" ORFS x 1/2" ORFS. Ma...

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$ 33.59
$ 33.59 - $ 33.59
$ 33.59
$ 26.89
$ 26.89 - $ 26.89
$ 26.89
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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$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19

Foster FSS316-FS2404-06-06, Stainless Steel 3/8" Male ORFS x 3/8" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-06-06 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/8" Male ORFS x 3/8" Male NPTF. Machined ...

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$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19
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 %
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39

Foster FSS316-FS2404-06-08, Stainless Steel 3/8" Male ORFS x 1/2" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-06-08 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/8" Male ORFS x 1/2" Male NPTF. Machined ...

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$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39
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 %
$ 28.79
$ 28.79 - $ 28.79
$ 28.79
$ 22.99
$ 22.99 - $ 22.99
$ 22.99

Foster FSS316-FS2404-12-12, Stainless Steel 3/4" Male ORFS x 3/4" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-12-12 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/4" Male ORFS x 3/4" Male NPTF. Machined ...

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$ 28.79
$ 28.79 - $ 28.79
$ 28.79
$ 22.99
$ 22.99 - $ 22.99
$ 22.99
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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$ 47.99
$ 47.99 - $ 47.99
$ 47.99
$ 38.39
$ 38.39 - $ 38.39
$ 38.39

Foster FSS316-FS2404-16-16, Stainless Steel 1" Male ORFS x 1" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-16-16 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 1" Male ORFS x 1" Male NPTF. Machined for ...

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$ 47.99
$ 47.99 - $ 47.99
$ 47.99
$ 38.39
$ 38.39 - $ 38.39
$ 38.39
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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$ 9.59
$ 9.59 - $ 9.59
$ 9.59
$ 7.69
$ 7.69 - $ 7.69
$ 7.69

Foster FSS316-FS2404-04-04, Stainless Steel 1/4" Male ORFS x 1/4" Male NPTF, 316 Stainless

The Foster FSS316-FS2404-04-04 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 1/4" Male ORFS x 1/4" Male NPTF. Machined ...

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$ 9.59
$ 9.59 - $ 9.59
$ 9.59
$ 7.69
$ 7.69 - $ 7.69
$ 7.69
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 %
$ 23.99
$ 23.99 - $ 23.99
$ 23.99
$ 19.19
$ 19.19 - $ 19.19
$ 19.19

Foster FSS316-FS2403-10-10, Stainless Steel Tube Union, 5/8" ORFS x 5/8" ORFS, 316 Stainless

The Foster FSS316-FS2403-10-10 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 5/8" ORFS x 5/8" ORFS. Machine...

View full details
$ 23.99
$ 23.99 - $ 23.99
$ 23.99
$ 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 %
$ 47.99
$ 47.99 - $ 47.99
$ 47.99
$ 38.39
$ 38.39 - $ 38.39
$ 38.39

Foster FSS316-FS2403-16-16, Stainless Steel Tube Union, 1" ORFS x 1" ORFS, 316 Stainless

The Foster FSS316-FS2403-16-16 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 1" ORFS x 1" ORFS. Machined fo...

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$ 47.99
$ 47.99 - $ 47.99
$ 47.99
$ 38.39
$ 38.39 - $ 38.39
$ 38.39
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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$ 89.59
$ 89.59 - $ 89.59
$ 89.59
$ 71.69
$ 71.69 - $ 71.69
$ 71.69

Foster FSS304-FS2650-12-12-12-12, Stainless Steel 3/4" Male ORFSS304- Cross, 304 Stainless

The Foster FSS304-FS2650-12-12-12-12 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel 3/4" Male ORFSS304- Cross. Machined ...

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$ 89.59
$ 89.59 - $ 89.59
$ 89.59
$ 71.69
$ 71.69 - $ 71.69
$ 71.69
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 %
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19

Foster FSS316-FS2403-06-06, Stainless Steel Tube Union, 3/8" ORFS x 3/8" ORFS, 316 Stainless

The Foster FSS316-FS2403-06-06 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 3/8" ORFS x 3/8" ORFS. Machine...

View full details
$ 12.79
$ 12.79 - $ 12.79
$ 12.79
$ 10.19
$ 10.19 - $ 10.19
$ 10.19
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 %
$ 28.79
$ 28.79 - $ 28.79
$ 28.79
$ 22.99
$ 22.99 - $ 22.99
$ 22.99

Foster FSS316-FS2403-12-12, Stainless Steel Tube Union, 3/4" ORFS x 3/4" ORFS, 316 Stainless

The Foster FSS316-FS2403-12-12 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 3/4" ORFS x 3/4" ORFS. Machine...

View full details
$ 28.79
$ 28.79 - $ 28.79
$ 28.79
$ 22.99
$ 22.99 - $ 22.99
$ 22.99
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 %
$ 70.39
$ 70.39 - $ 70.39
$ 70.39
$ 56.29
$ 56.29 - $ 56.29
$ 56.29

Foster FSS304-FS2603-12-12-12, Stainless Steel Union Tee, 3/4" ORFS x 3/4" ORFS x 3/4" ORFS, 304 Stainless

The Foster FSS304-FS2603-12-12-12 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 3/4" ORFS x 3/4" ORFS x 3/4"...

View full details
$ 70.39
$ 70.39 - $ 70.39
$ 70.39
$ 56.29
$ 56.29 - $ 56.29
$ 56.29
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 %
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39

Foster FSS316-FS2403-08-08, Stainless Steel Tube Union, 1/2" ORFS x 1/2" ORFS, 316 Stainless

The Foster FSS316-FS2403-08-08 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 1/2" ORFS x 1/2" ORFS. Machine...

View full details
$ 19.19
$ 19.19 - $ 19.19
$ 19.19
$ 15.39
$ 15.39 - $ 15.39
$ 15.39
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 %
$ 9.59
$ 9.59 - $ 9.59
$ 9.59
$ 7.69
$ 7.69 - $ 7.69
$ 7.69

Foster FSS316-FS2403-04-04, Stainless Steel Tube Union, 1/4" ORFS x 1/4" ORFS, 316 Stainless

The Foster FSS316-FS2403-04-04 is a 316 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Tube Union, 1/4" ORFS x 1/4" ORFS. Machine...

View full details
$ 9.59
$ 9.59 - $ 9.59
$ 9.59
$ 7.69
$ 7.69 - $ 7.69
$ 7.69
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 %
$ 57.59
$ 57.59 - $ 57.59
$ 57.59
$ 46.09
$ 46.09 - $ 46.09
$ 46.09

Foster FSS304-FS2603-10-10-10, Stainless Steel Union Tee, 5/8" ORFS x 5/8" ORFS x 5/8" ORFS, 304 Stainless

The Foster FSS304-FS2603-10-10-10 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 5/8" ORFS x 5/8" ORFS x 5/8"...

View full details
$ 57.59
$ 57.59 - $ 57.59
$ 57.59
$ 46.09
$ 46.09 - $ 46.09
$ 46.09
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 %
$ 108.79
$ 108.79 - $ 108.79
$ 108.79
$ 86.99
$ 86.99 - $ 86.99
$ 86.99

Foster FSS304-FS2603-16-16-16, Stainless Steel Union Tee, 1" ORFS x 1" ORFS x 1" ORFS, 304 Stainless

The Foster FSS304-FS2603-16-16-16 is a 304 stainless steel O-Ring Face Seal (ORFS) fitting: Stainless Steel Union Tee, 1" ORFS x 1" ORFS x 1" ORFS....

View full details
$ 108.79
$ 108.79 - $ 108.79
$ 108.79
$ 86.99
$ 86.99 - $ 86.99
$ 86.99
Save 20% Save %

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