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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 %
$ 5.99
$ 5.99 - $ 5.99
$ 5.99
$ 4.79
$ 4.79 - $ 4.79
$ 4.79

Foster B1DP, 1/8" ISO-B Dust Plug, FHK Series, Rubber

The Foster B1DP is a 1/8" ISO-B dust plug in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects plug (male half) from dirt...

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$ 5.99
$ 5.99 - $ 5.99
$ 5.99
$ 4.79
$ 4.79 - $ 4.79
$ 4.79
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 19% Save %
$ 6.79
$ 6.79 - $ 6.79
$ 6.79
$ 5.49
$ 5.49 - $ 5.49
$ 5.49

Foster B3DC-DP, 3/8" ISO-B Dust Cap & Plug Combo, FHK Series, Rubber

The Foster B3DC-DP is a 3/8" ISO-B dust cap & plug combo in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects both co...

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$ 6.79
$ 6.79 - $ 6.79
$ 6.79
$ 5.49
$ 5.49 - $ 5.49
$ 5.49
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 21% Save %
$ 6.19
$ 6.19 - $ 6.19
$ 6.19
$ 4.89
$ 4.89 - $ 4.89
$ 4.89

Foster B2DC-DP, 1/4" ISO-B Dust Cap & Plug Combo, FHK Series, Rubber

The Foster B2DC-DP is a 1/4" ISO-B dust cap & plug combo in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects both co...

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$ 6.19
$ 6.19 - $ 6.19
$ 6.19
$ 4.89
$ 4.89 - $ 4.89
$ 4.89
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 6.59
$ 6.59 - $ 6.59
$ 6.59
$ 5.29
$ 5.29 - $ 5.29
$ 5.29

Foster B3DC-BLUE, 3/8" ISO-B Dust Cap (Blue), FHK Series, Rubber

The Foster B3DC-BLUE is a 3/8" ISO-B dust cap in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects coupler (female half) ...

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$ 6.59
$ 6.59 - $ 6.59
$ 6.59
$ 5.29
$ 5.29 - $ 5.29
$ 5.29
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 4.79
$ 4.79 - $ 4.79
$ 4.79
$ 3.89
$ 3.89 - $ 3.89
$ 3.89

Foster B1DC, 1/8" ISO-B Dust Cap, FHK Series, Rubber

The Foster B1DC is a 1/8" ISO-B dust cap in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects coupler (female half) from ...

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$ 4.79
$ 4.79 - $ 4.79
$ 4.79
$ 3.89
$ 3.89 - $ 3.89
$ 3.89
Save 19% Save %
$ 0.00 - $ 0.00
$ 0.00
$ 48.23
$ 48.23 - $ 48.23
$ 48.23

Reusable Hose Barb - 1/4" ID X 1/2" OD hose - USA MADE Air Hose Fittings Brass

Foster Brand5ea - HS-B3 (1/4" ID X 1/2" OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 48.23
$ 48.23 - $ 48.23
$ 48.23
$ 0.00 - $ 0.00
$ 0.00
$ 28.55
$ 28.55 - $ 28.55
$ 28.55

Reusable Hose Barb Set 1/4" NPT - 1/4" ID X 1/2" OD hose - Air Hose FIttings

Foster Brand5ea - 2B3 ( 1/4" male NPT for 1/4"ID X 1/2"OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 28.55
$ 28.55 - $ 28.55
$ 28.55
$ 0.00 - $ 0.00
$ 0.00
$ 57.11
$ 57.11 - $ 57.11
$ 57.11

Reusable Hose Barb Set - 1/4" NPT - 1/4" ID X 1/2" OD hose - Air Hose FIttings

Foster Brand10ea - 2B3 ( 1/4" male NPT for 1/4"ID X 1/2"OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 57.11
$ 57.11 - $ 57.11
$ 57.11
$ 0.00 - $ 0.00
$ 0.00
$ 6.15
$ 6.15 - $ 6.15
$ 6.15

Reusable Hose Barb - 1/4" Body Plug X 3/8" ID - 11/16" OD Air Fittings

Reusable Hose Barb - 1/4" Body Plug X 3/8" ID - 11/16" OD Air Fittings

$ 0.00 - $ 0.00
$ 0.00
$ 6.15
$ 6.15 - $ 6.15
$ 6.15
$ 0.00 - $ 0.00
$ 0.00
$ 53.43
$ 53.43 - $ 53.43
$ 53.43

Reusable Hose Barb - 1/4" ID X 9/16" OD hose - USA MADE Air Hose Fittings Brass

Foster Brand5ea - HS-B5 (1/4" ID X 9/16" OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 53.43
$ 53.43 - $ 53.43
$ 53.43
$ 0.00 - $ 0.00
$ 0.00
$ 33.43
$ 33.43 - $ 33.43
$ 33.43

Reusable Hose Barb Set 1/4" NPT - 1/4" ID X 9/16" OD hose - Air Hose FIttings

Foster Brand5ea - 2B3 ( 1/4" male NPT for 1/4"ID X 9/16" OD hose)

$ 0.00 - $ 0.00
$ 0.00
$ 33.43
$ 33.43 - $ 33.43
$ 33.43
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 328.19
$ 328.19 - $ 328.19
$ 328.19
$ 262.49
$ 262.49 - $ 262.49
$ 262.49

Foster FSS316-5652-16-16-16-16, 1" Female Pipe Cross, 316 Stainless

The Foster FSS316-5652-16-16-16-16 is a 316 stainless steel NPT Pipe fitting: 1" Female Pipe Cross. Machined for leak-tight fluid-power connections...

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$ 328.19
$ 328.19 - $ 328.19
$ 328.19
$ 262.49
$ 262.49 - $ 262.49
$ 262.49
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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 %
$ 218.79
$ 218.79 - $ 218.79
$ 218.79
$ 174.99
$ 174.99 - $ 174.99
$ 174.99

Foster FSS316-5652-12-12-12-12, 3/4" Female Pipe Cross, 316 Stainless

The Foster FSS316-5652-12-12-12-12 is a 316 stainless steel NPT Pipe fitting: 3/4" Female Pipe Cross. Machined for leak-tight fluid-power connectio...

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$ 218.79
$ 218.79 - $ 218.79
$ 218.79
$ 174.99
$ 174.99 - $ 174.99
$ 174.99
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 %
$ 97.89
$ 97.89 - $ 97.89
$ 97.89
$ 78.29
$ 78.29 - $ 78.29
$ 78.29

Foster FSS316-5652-04-04-04-04, 1/4" Female Pipe Cross, 316 Stainless

The Foster FSS316-5652-04-04-04-04 is a 316 stainless steel NPT Pipe fitting: 1/4" Female Pipe Cross. Machined for leak-tight fluid-power connectio...

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$ 97.89
$ 97.89 - $ 97.89
$ 97.89
$ 78.29
$ 78.29 - $ 78.29
$ 78.29
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 %
$ 149.69
$ 149.69 - $ 149.69
$ 149.69
$ 119.79
$ 119.79 - $ 119.79
$ 119.79

Foster FSS316-5652-08-08-08-08, 1/2" Female Pipe Cross, 316 Stainless

The Foster FSS316-5652-08-08-08-08 is a 316 stainless steel NPT Pipe fitting: 1/2" Female Pipe Cross. Machined for leak-tight fluid-power connectio...

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$ 149.69
$ 149.69 - $ 149.69
$ 149.69
$ 119.79
$ 119.79 - $ 119.79
$ 119.79
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 %
$ 100.59
$ 100.59 - $ 100.59
$ 100.59
$ 80.49
$ 80.49 - $ 80.49
$ 80.49

Foster FSS316-5605-12-12-12, 3/4" Female Pipe Tee, 316 Stainless

The Foster FSS316-5605-12-12-12 is a 316 stainless steel NPT Pipe fitting: 3/4" Female Pipe Tee. Machined for leak-tight fluid-power connections an...

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$ 100.59
$ 100.59 - $ 100.59
$ 100.59
$ 80.49
$ 80.49 - $ 80.49
$ 80.49
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 %
$ 129.59
$ 129.59 - $ 129.59
$ 129.59
$ 103.69
$ 103.69 - $ 103.69
$ 103.69

Foster FSS316-5652-06-06-06-06, 3/8" Female Pipe Cross, 316 Stainless

The Foster FSS316-5652-06-06-06-06 is a 316 stainless steel NPT Pipe fitting: 3/8" Female Pipe Cross. Machined for leak-tight fluid-power connectio...

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$ 129.59
$ 129.59 - $ 129.59
$ 129.59
$ 103.69
$ 103.69 - $ 103.69
$ 103.69
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 %
$ 68.89
$ 68.89 - $ 68.89
$ 68.89
$ 55.09
$ 55.09 - $ 55.09
$ 55.09

Foster FSS316-5605-08-08-08, 1/2" Female Pipe Tee, 316 Stainless

The Foster FSS316-5605-08-08-08 is a 316 stainless steel NPT Pipe fitting: 1/2" Female Pipe Tee. Machined for leak-tight fluid-power connections an...

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$ 68.89
$ 68.89 - $ 68.89
$ 68.89
$ 55.09
$ 55.09 - $ 55.09
$ 55.09
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 %
$ 59.59
$ 59.59 - $ 59.59
$ 59.59
$ 47.69
$ 47.69 - $ 47.69
$ 47.69

Foster FSS316-5605-06-06-06, 3/8" Female Pipe Tee, 316 Stainless

The Foster FSS316-5605-06-06-06 is a 316 stainless steel NPT Pipe fitting: 3/8" Female Pipe Tee. Machined for leak-tight fluid-power connections an...

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$ 59.59
$ 59.59 - $ 59.59
$ 59.59
$ 47.69
$ 47.69 - $ 47.69
$ 47.69
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 %
$ 86.39
$ 86.39 - $ 86.39
$ 86.39
$ 69.09
$ 69.09 - $ 69.09
$ 69.09

Foster FSS316-5652-02-02-02-02, 1/8" Female Pipe Cross, 316 Stainless

The Foster FSS316-5652-02-02-02-02 is a 316 stainless steel NPT Pipe fitting: 1/8" Female Pipe Cross. Machined for leak-tight fluid-power connectio...

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$ 86.39
$ 86.39 - $ 86.39
$ 86.39
$ 69.09
$ 69.09 - $ 69.09
$ 69.09
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 %
$ 150.89
$ 150.89 - $ 150.89
$ 150.89
$ 120.79
$ 120.79 - $ 120.79
$ 120.79

Foster FSS316-5605-16-16-16, 1" Female Pipe Tee, 316 Stainless

The Foster FSS316-5605-16-16-16 is a 316 stainless steel NPT Pipe fitting: 1" Female Pipe Tee. Machined for leak-tight fluid-power connections and ...

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$ 150.89
$ 150.89 - $ 150.89
$ 150.89
$ 120.79
$ 120.79 - $ 120.79
$ 120.79
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 %
$ 44.99
$ 44.99 - $ 44.99
$ 44.99
$ 35.99
$ 35.99 - $ 35.99
$ 35.99

Foster FSS316-5605-04-04-04, 1/4" Female Pipe Tee, 316 Stainless

The Foster FSS316-5605-04-04-04 is a 316 stainless steel NPT Pipe fitting: 1/4" Female Pipe Tee. Machined for leak-tight fluid-power connections an...

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$ 44.99
$ 44.99 - $ 44.99
$ 44.99
$ 35.99
$ 35.99 - $ 35.99
$ 35.99
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 %
$ 111.79
$ 111.79 - $ 111.79
$ 111.79
$ 89.49
$ 89.49 - $ 89.49
$ 89.49

Foster FSS316-5604-12-12-12, 3/4" Female Pipe x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-5604-12-12-12 is a 316 stainless steel NPT Pipe fitting: 3/4" Female Pipe x 3/4" Male Pipe. Machined for leak-tight fluid-power c...

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$ 111.79
$ 111.79 - $ 111.79
$ 111.79
$ 89.49
$ 89.49 - $ 89.49
$ 89.49
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 %
$ 77.99
$ 77.99 - $ 77.99
$ 77.99
$ 62.39
$ 62.39 - $ 62.39
$ 62.39

Foster FSS316-5604-08-08-08, 1/2" Female Pipe x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-5604-08-08-08 is a 316 stainless steel NPT Pipe fitting: 1/2" Female Pipe x 1/2" Male Pipe. Machined for leak-tight fluid-power c...

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$ 77.99
$ 77.99 - $ 77.99
$ 77.99
$ 62.39
$ 62.39 - $ 62.39
$ 62.39
Save 20% Save %

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