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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 %
$ 622.00
$ 622.00 - $ 622.00
$ 622.00
$ 498.00
$ 498.00 - $ 498.00
$ 498.00

Foster 4504S, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Steam/EPDM, Brass body, Brass sleeve, SS valve

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4504S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler from...

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$ 622.00
$ 622.00 - $ 622.00
$ 622.00
$ 498.00
$ 498.00 - $ 498.00
$ 498.00
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 %
$ 622.00
$ 622.00 - $ 622.00
$ 622.00
$ 498.00
$ 498.00 - $ 498.00
$ 498.00

Foster 4504H, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Heat/Viton, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4504H is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

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$ 622.00
$ 622.00 - $ 622.00
$ 622.00
$ 498.00
$ 498.00 - $ 498.00
$ 498.00
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 %
$ 626.00
$ 626.00 - $ 626.00
$ 626.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00

Foster BL4504, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4504 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 626.00
$ 626.00 - $ 626.00
$ 626.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00
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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 %
$ 528.00
$ 528.00 - $ 528.00
$ 528.00
$ 423.00
$ 423.00 - $ 423.00
$ 423.00

Foster 4504, 3/8" Industrial Coupler x 1/2" Male NPT, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4504 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 528.00
$ 528.00 - $ 528.00
$ 528.00
$ 423.00
$ 423.00 - $ 423.00
$ 423.00
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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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$ 556.00
$ 556.00 - $ 556.00
$ 556.00
$ 445.00
$ 445.00 - $ 445.00
$ 445.00

Foster 4304W, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4304W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...

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$ 556.00
$ 556.00 - $ 556.00
$ 556.00
$ 445.00
$ 445.00 - $ 445.00
$ 445.00
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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$ 949.00
$ 949.00 - $ 949.00
$ 949.00
$ 758.00
$ 758.00 - $ 758.00
$ 758.00

Foster BL4304S/S, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Ball Lock, 303 Stainless

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4304S/S is a 303 Stainless 3/8" industrial coupler from the Foster 4 Ser...

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$ 949.00
$ 949.00 - $ 949.00
$ 949.00
$ 758.00
$ 758.00 - $ 758.00
$ 758.00
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 %
$ 932.00
$ 932.00 - $ 932.00
$ 932.00
$ 745.00
$ 745.00 - $ 745.00
$ 745.00

Foster 4304S/S, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, 303 Stainless

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4304S/S is a 303 Stainless 3/8" industrial coupler from the Foster 4 Serie...

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$ 932.00
$ 932.00 - $ 932.00
$ 932.00
$ 745.00
$ 745.00 - $ 745.00
$ 745.00
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 %
$ 570.00
$ 570.00 - $ 570.00
$ 570.00
$ 455.00
$ 455.00 - $ 455.00
$ 455.00

Foster 4304S, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Steam/EPDM, Brass body, Brass sleeve, SS valve

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4304S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler from...

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$ 570.00
$ 570.00 - $ 570.00
$ 570.00
$ 455.00
$ 455.00 - $ 455.00
$ 455.00
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 %
$ 553.00
$ 553.00 - $ 553.00
$ 553.00
$ 443.00
$ 443.00 - $ 443.00
$ 443.00

Foster BL4304, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4304 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 553.00
$ 553.00 - $ 553.00
$ 553.00
$ 443.00
$ 443.00 - $ 443.00
$ 443.00
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 %
$ 475.00
$ 475.00 - $ 475.00
$ 475.00
$ 379.00
$ 379.00 - $ 379.00
$ 379.00

Foster 4304, 3/8" Industrial Coupler x 3/8" Male NPT, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4304 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 475.00
$ 475.00 - $ 475.00
$ 475.00
$ 379.00
$ 379.00 - $ 379.00
$ 379.00
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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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$ 534.00
$ 534.00 - $ 534.00
$ 534.00
$ 428.00
$ 428.00 - $ 428.00
$ 428.00

Foster 4104W, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...

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$ 534.00
$ 534.00 - $ 534.00
$ 534.00
$ 428.00
$ 428.00 - $ 428.00
$ 428.00
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 %
$ 549.00
$ 549.00 - $ 549.00
$ 549.00
$ 440.00
$ 440.00 - $ 440.00
$ 440.00

Foster 4104S, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Steam/EPDM, Brass body, Brass sleeve, SS valve

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler from...

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$ 549.00
$ 549.00 - $ 549.00
$ 549.00
$ 440.00
$ 440.00 - $ 440.00
$ 440.00
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 %
$ 526.00
$ 526.00 - $ 526.00
$ 526.00
$ 421.00
$ 421.00 - $ 421.00
$ 421.00

Foster 4104H, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Heat/Viton, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104H is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

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$ 526.00
$ 526.00 - $ 526.00
$ 526.00
$ 421.00
$ 421.00 - $ 421.00
$ 421.00
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 %
$ 530.00
$ 530.00 - $ 530.00
$ 530.00
$ 425.00
$ 425.00 - $ 425.00
$ 425.00

Foster BL4104, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4104 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 530.00
$ 530.00 - $ 530.00
$ 530.00
$ 425.00
$ 425.00 - $ 425.00
$ 425.00
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 %
$ 455.00
$ 455.00 - $ 455.00
$ 455.00
$ 364.00
$ 364.00 - $ 364.00
$ 364.00

Foster 4104, 3/8" Industrial Coupler x 1/4" Male NPT, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4104 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 455.00
$ 455.00 - $ 455.00
$ 455.00
$ 364.00
$ 364.00 - $ 364.00
$ 364.00
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 %
$ 626.00
$ 626.00 - $ 626.00
$ 626.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00

Foster BL4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4404 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 626.00
$ 626.00 - $ 626.00
$ 626.00
$ 502.00
$ 502.00 - $ 502.00
$ 502.00
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 %
$ 528.00
$ 528.00 - $ 528.00
$ 528.00
$ 423.00
$ 423.00 - $ 423.00
$ 423.00

Foster 4404, 3/8" Industrial Coupler x 1/2" Female NPT, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4404 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 528.00
$ 528.00 - $ 528.00
$ 528.00
$ 423.00
$ 423.00 - $ 423.00
$ 423.00
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 %
$ 556.00
$ 556.00 - $ 556.00
$ 556.00
$ 445.00
$ 445.00 - $ 445.00
$ 445.00

Foster 4204W, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Water, Brass/SS

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204W is a Brass/SS 3/8" industrial coupler from the Foster 4 Series — a h...

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$ 556.00
$ 556.00 - $ 556.00
$ 556.00
$ 445.00
$ 445.00 - $ 445.00
$ 445.00
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 %
$ 979.00
$ 979.00 - $ 979.00
$ 979.00
$ 783.00
$ 783.00 - $ 783.00
$ 783.00

Foster BL4204S/S, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Ball Lock, 303 Stainless

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4204S/S is a 303 Stainless 3/8" industrial coupler from the Foster 4 Ser...

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$ 979.00
$ 979.00 - $ 979.00
$ 979.00
$ 783.00
$ 783.00 - $ 783.00
$ 783.00
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 %
$ 922.00
$ 922.00 - $ 922.00
$ 922.00
$ 737.00
$ 737.00 - $ 737.00
$ 737.00

Foster 4204S/S, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, 303 Stainless

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204S/S is a 303 Stainless 3/8" industrial coupler from the Foster 4 Serie...

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$ 922.00
$ 922.00 - $ 922.00
$ 922.00
$ 737.00
$ 737.00 - $ 737.00
$ 737.00
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 %
$ 570.00
$ 570.00 - $ 570.00
$ 570.00
$ 455.00
$ 455.00 - $ 455.00
$ 455.00

Foster 4204S, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Steam/EPDM, Brass body, Brass sleeve, SS valve

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204S is a Brass body, Brass sleeve, SS valve 3/8" industrial coupler from...

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$ 570.00
$ 570.00 - $ 570.00
$ 570.00
$ 455.00
$ 455.00 - $ 455.00
$ 455.00
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 %
$ 549.00
$ 549.00 - $ 549.00
$ 549.00
$ 440.00
$ 440.00 - $ 440.00
$ 440.00

Foster 4204H, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Heat/Viton, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204H is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — ...

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$ 549.00
$ 549.00 - $ 549.00
$ 549.00
$ 440.00
$ 440.00 - $ 440.00
$ 440.00
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 %
$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 436.00
$ 436.00 - $ 436.00
$ 436.00

Foster BL4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Ball Lock, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster BL4204 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series —...

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$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 436.00
$ 436.00 - $ 436.00
$ 436.00
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 %
$ 457.00
$ 457.00 - $ 457.00
$ 457.00
$ 366.00
$ 366.00 - $ 366.00
$ 366.00

Foster 4204, 3/8" Industrial Coupler x 3/8" Female NPT, 4 Series, Brass/Steel

Reliable, leak-free 3/8" connections for air and fluid lines. The Foster 4204 is a Brass/Steel 3/8" industrial coupler from the Foster 4 Series — a...

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$ 457.00
$ 457.00 - $ 457.00
$ 457.00
$ 366.00
$ 366.00 - $ 366.00
$ 366.00
Save 20% Save %

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