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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 %
$ 564.00
$ 564.00 - $ 564.00
$ 564.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00

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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$ 564.00
$ 564.00 - $ 564.00
$ 564.00
$ 451.00
$ 451.00 - $ 451.00
$ 451.00
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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 %
$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00

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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$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00
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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 %
$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 442.00
$ 442.00 - $ 442.00
$ 442.00

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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$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 442.00
$ 442.00 - $ 442.00
$ 442.00
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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 %
$ 642.00
$ 642.00 - $ 642.00
$ 642.00
$ 515.00
$ 515.00 - $ 515.00
$ 515.00

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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$ 642.00
$ 642.00 - $ 642.00
$ 642.00
$ 515.00
$ 515.00 - $ 515.00
$ 515.00
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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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$ 538.00
$ 538.00 - $ 538.00
$ 538.00
$ 431.00
$ 431.00 - $ 431.00
$ 431.00

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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$ 538.00
$ 538.00 - $ 538.00
$ 538.00
$ 431.00
$ 431.00 - $ 431.00
$ 431.00
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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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$ 632.00
$ 632.00 - $ 632.00
$ 632.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00

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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$ 632.00
$ 632.00 - $ 632.00
$ 632.00
$ 506.00
$ 506.00 - $ 506.00
$ 506.00
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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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$ 529.00
$ 529.00 - $ 529.00
$ 529.00
$ 422.00
$ 422.00 - $ 422.00
$ 422.00

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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$ 529.00
$ 529.00 - $ 529.00
$ 529.00
$ 422.00
$ 422.00 - $ 422.00
$ 422.00
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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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$ 617.00
$ 617.00 - $ 617.00
$ 617.00
$ 493.00
$ 493.00 - $ 493.00
$ 493.00

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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$ 617.00
$ 617.00 - $ 617.00
$ 617.00
$ 493.00
$ 493.00 - $ 493.00
$ 493.00
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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$ 630.00
$ 630.00 - $ 630.00
$ 630.00
$ 504.00
$ 504.00 - $ 504.00
$ 504.00

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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$ 630.00
$ 630.00 - $ 630.00
$ 630.00
$ 504.00
$ 504.00 - $ 504.00
$ 504.00
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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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$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 481.00
$ 481.00 - $ 481.00
$ 481.00

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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$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 481.00
$ 481.00 - $ 481.00
$ 481.00
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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 %
$ 612.00
$ 612.00 - $ 612.00
$ 612.00
$ 490.00
$ 490.00 - $ 490.00
$ 490.00

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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$ 612.00
$ 612.00 - $ 612.00
$ 612.00
$ 490.00
$ 490.00 - $ 490.00
$ 490.00
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 %
$ 515.00
$ 515.00 - $ 515.00
$ 515.00
$ 412.00
$ 412.00 - $ 412.00
$ 412.00

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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$ 515.00
$ 515.00 - $ 515.00
$ 515.00
$ 412.00
$ 412.00 - $ 412.00
$ 412.00
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 %
$ 488.00
$ 488.00 - $ 488.00
$ 488.00
$ 390.00
$ 390.00 - $ 390.00
$ 390.00

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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$ 488.00
$ 488.00 - $ 488.00
$ 488.00
$ 390.00
$ 390.00 - $ 390.00
$ 390.00
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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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$ 580.00
$ 580.00 - $ 580.00
$ 580.00
$ 463.00
$ 463.00 - $ 463.00
$ 463.00

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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$ 580.00
$ 580.00 - $ 580.00
$ 580.00
$ 463.00
$ 463.00 - $ 463.00
$ 463.00
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 %
$ 481.00
$ 481.00 - $ 481.00
$ 481.00
$ 385.00
$ 385.00 - $ 385.00
$ 385.00

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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$ 481.00
$ 481.00 - $ 481.00
$ 481.00
$ 385.00
$ 385.00 - $ 385.00
$ 385.00
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 %
$ 444.00
$ 444.00 - $ 444.00
$ 444.00
$ 355.00
$ 355.00 - $ 355.00
$ 355.00

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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$ 444.00
$ 444.00 - $ 444.00
$ 444.00
$ 355.00
$ 355.00 - $ 355.00
$ 355.00
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 %
$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 476.00
$ 476.00 - $ 476.00
$ 476.00

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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$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 476.00
$ 476.00 - $ 476.00
$ 476.00
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 %
$ 603.00
$ 603.00 - $ 603.00
$ 603.00
$ 483.00
$ 483.00 - $ 483.00
$ 483.00

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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$ 603.00
$ 603.00 - $ 603.00
$ 603.00
$ 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 %
$ 486.00
$ 486.00 - $ 486.00
$ 486.00
$ 389.00
$ 389.00 - $ 389.00
$ 389.00

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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$ 486.00
$ 486.00 - $ 486.00
$ 486.00
$ 389.00
$ 389.00 - $ 389.00
$ 389.00
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 %
$ 575.00
$ 575.00 - $ 575.00
$ 575.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00

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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$ 575.00
$ 575.00 - $ 575.00
$ 575.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00
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 %
$ 612.00
$ 612.00 - $ 612.00
$ 612.00
$ 490.00
$ 490.00 - $ 490.00
$ 490.00

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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$ 612.00
$ 612.00 - $ 612.00
$ 612.00
$ 490.00
$ 490.00 - $ 490.00
$ 490.00
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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$ 889.00
$ 889.00 - $ 889.00
$ 889.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00

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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$ 889.00
$ 889.00 - $ 889.00
$ 889.00
$ 710.00
$ 710.00 - $ 710.00
$ 710.00
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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$ 596.00
$ 596.00 - $ 596.00
$ 596.00
$ 477.00
$ 477.00 - $ 477.00
$ 477.00

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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$ 596.00
$ 596.00 - $ 596.00
$ 596.00
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
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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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$ 500.00
$ 500.00 - $ 500.00
$ 500.00
$ 401.00
$ 401.00 - $ 401.00
$ 401.00

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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$ 500.00
$ 500.00 - $ 500.00
$ 500.00
$ 401.00
$ 401.00 - $ 401.00
$ 401.00
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