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Our most popular couplers, hose, clamps, and irrigation parts. Updated automatically based on what customers actually buy.

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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 %
$ 31.79
$ 31.79 - $ 31.79
$ 31.79
$ 25.39
$ 25.39 - $ 25.39
$ 25.39

Foster FM4004, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4004 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 31.79
$ 31.79 - $ 31.79
$ 31.79
$ 25.39
$ 25.39 - $ 25.39
$ 25.39
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 %
$ 32.29
$ 32.29 - $ 32.29
$ 32.29
$ 25.79
$ 25.79 - $ 25.79
$ 25.79

Foster SD13-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 13/16" OD, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SD13-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 32.29
$ 32.29 - $ 32.29
$ 32.29
$ 25.79
$ 25.79 - $ 25.79
$ 25.79
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 %
$ 31.09
$ 31.09 - $ 31.09
$ 31.09
$ 24.89
$ 24.89 - $ 24.89
$ 24.89

Foster SD11-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 3/4" OD, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SD11-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 31.09
$ 31.09 - $ 31.09
$ 31.09
$ 24.89
$ 24.89 - $ 24.89
$ 24.89
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 %
$ 36.19
$ 36.19 - $ 36.19
$ 36.19
$ 28.99
$ 28.99 - $ 28.99
$ 28.99

Foster BLSD9-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 11/16" OD, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BLSD9-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 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 %
$ 30.29
$ 30.29 - $ 30.29
$ 30.29
$ 24.29
$ 24.29 - $ 24.29
$ 24.29

Foster SD9-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 11/16" OD, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SD9-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

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$ 30.29
$ 30.29 - $ 30.29
$ 30.29
$ 24.29
$ 24.29 - $ 24.29
$ 24.29
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 %
$ 35.59
$ 35.59 - $ 35.59
$ 35.59
$ 28.49
$ 28.49 - $ 28.49
$ 28.49

Foster BLSD7-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BLSD7-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series ...

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$ 35.59
$ 35.59 - $ 35.59
$ 35.59
$ 28.49
$ 28.49 - $ 28.49
$ 28.49
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 %
$ 29.79
$ 29.79 - $ 29.79
$ 29.79
$ 23.79
$ 23.79 - $ 23.79
$ 23.79

Foster SD7-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 3/8" ID x 5/8" OD, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SD7-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

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$ 29.79
$ 29.79 - $ 29.79
$ 29.79
$ 23.79
$ 23.79 - $ 23.79
$ 23.79
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 %
$ 34.79
$ 34.79 - $ 34.79
$ 34.79
$ 27.79
$ 27.79 - $ 27.79
$ 27.79

Foster SB7-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 5/8" OD, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SB7-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

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$ 34.79
$ 34.79 - $ 34.79
$ 34.79
$ 27.79
$ 27.79 - $ 27.79
$ 27.79
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 %
$ 35.49
$ 35.49 - $ 35.49
$ 35.49
$ 28.39
$ 28.39 - $ 28.39
$ 28.39

Foster SB5-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 9/16" OD, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SB5-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

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$ 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 %
$ 33.79
$ 33.79 - $ 33.79
$ 33.79
$ 27.09
$ 27.09 - $ 27.09
$ 27.09

Foster SB3-4, 3/8" Industrial Coupler x Reusable Hose Fitting, 1/4" ID x 1/2" OD, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SB3-4 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

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$ 33.79
$ 33.79 - $ 33.79
$ 33.79
$ 27.09
$ 27.09 - $ 27.09
$ 27.09
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 %
$ 34.49
$ 34.49 - $ 34.49
$ 34.49
$ 27.59
$ 27.59 - $ 27.59
$ 27.59

Foster 1814W, 3/8" Industrial Coupler x 1/2" Push-On Hose Stem, 4 Series, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 1814W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...

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$ 34.49
$ 34.49 - $ 34.49
$ 34.49
$ 27.59
$ 27.59 - $ 27.59
$ 27.59
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 %
$ 28.99
$ 28.99 - $ 28.99
$ 28.99
$ 23.19
$ 23.19 - $ 23.19
$ 23.19

Foster BL1814, 3/8" Industrial Coupler x 1/2" Push-On Hose Stem, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL1814 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 28.99
$ 28.99 - $ 28.99
$ 28.99
$ 23.19
$ 23.19 - $ 23.19
$ 23.19
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 %
$ 27.49
$ 27.49 - $ 27.49
$ 27.49
$ 21.99
$ 21.99 - $ 21.99
$ 21.99

Foster 1814, 3/8" Industrial Coupler x 1/2" Push-On Hose Stem, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 1814 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 27.49
$ 27.49 - $ 27.49
$ 27.49
$ 21.99
$ 21.99 - $ 21.99
$ 21.99
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 %
$ 32.69
$ 32.69 - $ 32.69
$ 32.69
$ 26.09
$ 26.09 - $ 26.09
$ 26.09

Foster 1714W, 3/8" Industrial Coupler x 3/8" Push-On Hose Stem, 4 Series, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 1714W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...

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$ 32.69
$ 32.69 - $ 32.69
$ 32.69
$ 26.09
$ 26.09 - $ 26.09
$ 26.09
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 %
$ 27.09
$ 27.09 - $ 27.09
$ 27.09
$ 21.69
$ 21.69 - $ 21.69
$ 21.69

Foster BL1714, 3/8" Industrial Coupler x 3/8" Push-On Hose Stem, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL1714 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 27.09
$ 27.09 - $ 27.09
$ 27.09
$ 21.69
$ 21.69 - $ 21.69
$ 21.69
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 %
$ 24.99
$ 24.99 - $ 24.99
$ 24.99
$ 19.99
$ 19.99 - $ 19.99
$ 19.99

Foster 1714, 3/8" Industrial Coupler x 3/8" Push-On Hose Stem, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 1714 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 24.99
$ 24.99 - $ 24.99
$ 24.99
$ 19.99
$ 19.99 - $ 19.99
$ 19.99
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 %
$ 33.39
$ 33.39 - $ 33.39
$ 33.39
$ 26.79
$ 26.79 - $ 26.79
$ 26.79

Foster 4904S, 3/8" Industrial Coupler x 1/2" Hose ID, 4 Series, Steam/EPDM, Brass body, Brass sleeve, SS valve

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4904S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler from...

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$ 33.39
$ 33.39 - $ 33.39
$ 33.39
$ 26.79
$ 26.79 - $ 26.79
$ 26.79
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 %
$ 33.99
$ 33.99 - $ 33.99
$ 33.99
$ 27.19
$ 27.19 - $ 27.19
$ 27.19

Foster BL4904, 3/8" Industrial Coupler x 1/2" Hose ID, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4904 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 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 %
$ 27.39
$ 27.39 - $ 27.39
$ 27.39
$ 21.89
$ 21.89 - $ 21.89
$ 21.89

Foster 4904, 3/8" Industrial Coupler x 1/2" Hose ID, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4904 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 27.39
$ 27.39 - $ 27.39
$ 27.39
$ 21.89
$ 21.89 - $ 21.89
$ 21.89
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 %
$ 32.39
$ 32.39 - $ 32.39
$ 32.39
$ 25.89
$ 25.89 - $ 25.89
$ 25.89

Foster 4804W, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4804W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...

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$ 32.39
$ 32.39 - $ 32.39
$ 32.39
$ 25.89
$ 25.89 - $ 25.89
$ 25.89
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 %
$ 34.49
$ 34.49 - $ 34.49
$ 34.49
$ 27.59
$ 27.59 - $ 27.59
$ 27.59

Foster 4804S, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Steam/EPDM, Brass body, Brass sleeve, SS valve

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4804S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler from...

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$ 34.49
$ 34.49 - $ 34.49
$ 34.49
$ 27.59
$ 27.59 - $ 27.59
$ 27.59
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 %
$ 50.09
$ 50.09 - $ 50.09
$ 50.09
$ 39.99
$ 39.99 - $ 39.99
$ 39.99

Foster 4804S/S, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, 303 Stainless

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4804S/S is a 303 Stainless 3/8" industrial coupler from the Foster 4 Serie...

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$ 50.09
$ 50.09 - $ 50.09
$ 50.09
$ 39.99
$ 39.99 - $ 39.99
$ 39.99
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 %
$ 33.59
$ 33.59 - $ 33.59
$ 33.59
$ 26.89
$ 26.89 - $ 26.89
$ 26.89

Foster BL4804, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4804 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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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
Save 20% Save %
$ 28.19
$ 28.19 - $ 28.19
$ 28.19
$ 22.59
$ 22.59 - $ 22.59
$ 22.59

Foster 4804, 3/8" Industrial Coupler x 3/8" Hose ID, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4804 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 28.19
$ 28.19 - $ 28.19
$ 28.19
$ 22.59
$ 22.59 - $ 22.59
$ 22.59
Save 20% Save %

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