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Best Sellers

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 %
$ 722.00
$ 722.00 - $ 722.00
$ 722.00
$ 577.00
$ 577.00 - $ 577.00
$ 577.00

Foster SL4504, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SL4504 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 722.00
$ 722.00 - $ 722.00
$ 722.00
$ 577.00
$ 577.00 - $ 577.00
$ 577.00
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 %
$ 611.00
$ 611.00 - $ 611.00
$ 611.00
$ 489.00
$ 489.00 - $ 489.00
$ 489.00

Foster FM4504, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4504 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 611.00
$ 611.00 - $ 611.00
$ 611.00
$ 489.00
$ 489.00 - $ 489.00
$ 489.00
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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 %
$ 711.00
$ 711.00 - $ 711.00
$ 711.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00

Foster FM4304W, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4304W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...

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$ 711.00
$ 711.00 - $ 711.00
$ 711.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00
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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 %
$ 696.00
$ 696.00 - $ 696.00
$ 696.00
$ 556.00
$ 556.00 - $ 556.00
$ 556.00

Foster FM4304S, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic, Steam/EPDM, Brass body, Brass sleeve, SS valve

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4304S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler fr...

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$ 696.00
$ 696.00 - $ 696.00
$ 696.00
$ 556.00
$ 556.00 - $ 556.00
$ 556.00
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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 %
$ 604.00
$ 604.00 - $ 604.00
$ 604.00
$ 483.00
$ 483.00 - $ 483.00
$ 483.00

Foster FM4304, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4304 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 604.00
$ 604.00 - $ 604.00
$ 604.00
$ 483.00
$ 483.00 - $ 483.00
$ 483.00
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 %
$ 671.00
$ 671.00 - $ 671.00
$ 671.00
$ 538.00
$ 538.00 - $ 538.00
$ 538.00

Foster FM4104W, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Automatic, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4104W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...

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$ 671.00
$ 671.00 - $ 671.00
$ 671.00
$ 538.00
$ 538.00 - $ 538.00
$ 538.00
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 %
$ 688.00
$ 688.00 - $ 688.00
$ 688.00
$ 551.00
$ 551.00 - $ 551.00
$ 551.00

Foster FM4104S, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Automatic, Steam/EPDM, Brass body, Brass sleeve, SS valve

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4104S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler fr...

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$ 688.00
$ 688.00 - $ 688.00
$ 688.00
$ 551.00
$ 551.00 - $ 551.00
$ 551.00
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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$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 562.00
$ 562.00 - $ 562.00
$ 562.00

Foster SL4104, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SL4104 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 562.00
$ 562.00 - $ 562.00
$ 562.00
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 %
$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 479.00
$ 479.00 - $ 479.00
$ 479.00

Foster FM4104, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4104 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 479.00
$ 479.00 - $ 479.00
$ 479.00
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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$ 719.00
$ 719.00 - $ 719.00
$ 719.00
$ 575.00
$ 575.00 - $ 575.00
$ 575.00

Foster FM4404W, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...

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$ 719.00
$ 719.00 - $ 719.00
$ 719.00
$ 575.00
$ 575.00 - $ 575.00
$ 575.00
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 %
$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 562.00
$ 562.00 - $ 562.00
$ 562.00

Foster FM4404S, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Steam/EPDM, Brass body, Brass sleeve, SS valve

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler fr...

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$ 704.00
$ 704.00 - $ 704.00
$ 704.00
$ 562.00
$ 562.00 - $ 562.00
$ 562.00
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 %
$ 722.00
$ 722.00 - $ 722.00
$ 722.00
$ 577.00
$ 577.00 - $ 577.00
$ 577.00

Foster SL4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SL4404 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 722.00
$ 722.00 - $ 722.00
$ 722.00
$ 577.00
$ 577.00 - $ 577.00
$ 577.00
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 %
$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 494.00
$ 494.00 - $ 494.00
$ 494.00

Foster FM4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4404 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 494.00
$ 494.00 - $ 494.00
$ 494.00
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 %
$ 711.00
$ 711.00 - $ 711.00
$ 711.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00

Foster FM4204W, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a...

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$ 711.00
$ 711.00 - $ 711.00
$ 711.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00
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 %
$ 617.00
$ 617.00 - $ 617.00
$ 617.00
$ 494.00
$ 494.00 - $ 494.00
$ 494.00

Foster FM4204H, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Heat/Viton, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204H is a Brass 3/8" industrial coupler from the Foster 4 Series — a hi...

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$ 617.00
$ 617.00 - $ 617.00
$ 617.00
$ 494.00
$ 494.00 - $ 494.00
$ 494.00
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 %
$ 688.00
$ 688.00 - $ 688.00
$ 688.00
$ 551.00
$ 551.00 - $ 551.00
$ 551.00

Foster SL4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SL4204 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 688.00
$ 688.00 - $ 688.00
$ 688.00
$ 551.00
$ 551.00 - $ 551.00
$ 551.00
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 %
$ 604.00
$ 604.00 - $ 604.00
$ 604.00
$ 483.00
$ 483.00 - $ 483.00
$ 483.00

Foster FM4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Automatic, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster FM4204 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 604.00
$ 604.00 - $ 604.00
$ 604.00
$ 483.00
$ 483.00 - $ 483.00
$ 483.00
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 %
$ 677.00
$ 677.00 - $ 677.00
$ 677.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00

Foster SL4004, 3/8" Industrial Coupler x 1/4" Female NPT, 4 Series, Automatic Sleeve Lock, Brass

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster SL4004 is a Brass 3/8" industrial coupler from the Foster 4 Series — a hig...

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$ 677.00
$ 677.00 - $ 677.00
$ 677.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00
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 %
$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 479.00
$ 479.00 - $ 479.00
$ 479.00

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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$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 479.00
$ 479.00 - $ 479.00
$ 479.00
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 %
$ 609.00
$ 609.00 - $ 609.00
$ 609.00
$ 487.00
$ 487.00 - $ 487.00
$ 487.00

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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$ 609.00
$ 609.00 - $ 609.00
$ 609.00
$ 487.00
$ 487.00 - $ 487.00
$ 487.00
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 %
$ 587.00
$ 587.00 - $ 587.00
$ 587.00
$ 470.00
$ 470.00 - $ 470.00
$ 470.00

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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$ 587.00
$ 587.00 - $ 587.00
$ 587.00
$ 470.00
$ 470.00 - $ 470.00
$ 470.00
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 %
$ 683.00
$ 683.00 - $ 683.00
$ 683.00
$ 547.00
$ 547.00 - $ 547.00
$ 547.00

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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$ 683.00
$ 683.00 - $ 683.00
$ 683.00
$ 547.00
$ 547.00 - $ 547.00
$ 547.00
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 %
$ 572.00
$ 572.00 - $ 572.00
$ 572.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00

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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$ 572.00
$ 572.00 - $ 572.00
$ 572.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00
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 %
$ 671.00
$ 671.00 - $ 671.00
$ 671.00
$ 538.00
$ 538.00 - $ 538.00
$ 538.00

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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$ 671.00
$ 671.00 - $ 671.00
$ 671.00
$ 538.00
$ 538.00 - $ 538.00
$ 538.00
Save 20% Save %

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