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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 %
$ 666.00
$ 666.00 - $ 666.00
$ 666.00
$ 533.00
$ 533.00 - $ 533.00
$ 533.00

Foster 310-SD11, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SD11 is a brass and steel 3/8" coupler from t...

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$ 666.00
$ 666.00 - $ 666.00
$ 666.00
$ 533.00
$ 533.00 - $ 533.00
$ 533.00
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 %
$ 717.00
$ 717.00 - $ 717.00
$ 717.00
$ 573.00
$ 573.00 - $ 573.00
$ 573.00

Foster 310-SB7, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SB7 is a brass and steel 3/8" coupler from th...

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$ 717.00
$ 717.00 - $ 717.00
$ 717.00
$ 573.00
$ 573.00 - $ 573.00
$ 573.00
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 %
$ 708.00
$ 708.00 - $ 708.00
$ 708.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00

Foster 310-SB5, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SB5 is a brass and steel 3/8" coupler from th...

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$ 708.00
$ 708.00 - $ 708.00
$ 708.00
$ 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 %
$ 708.00
$ 708.00 - $ 708.00
$ 708.00
$ 568.00
$ 568.00 - $ 568.00
$ 568.00

Foster 310-SB3, 3/8" ARO Coupler x Reusable Hose Clamp Fitting, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-SB3 is a brass and steel 3/8" coupler from th...

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$ 708.00
$ 708.00 - $ 708.00
$ 708.00
$ 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
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$ 806.00
$ 806.00 - $ 806.00
$ 806.00
$ 644.00
$ 644.00 - $ 644.00
$ 644.00

Foster 310M-4904, 3/8" ARO Coupler x 1/2" Hose ID, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4904 is a brass and steel 3/8" coupler from ...

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$ 806.00
$ 806.00 - $ 806.00
$ 806.00
$ 644.00
$ 644.00 - $ 644.00
$ 644.00
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 %
$ 799.00
$ 799.00 - $ 799.00
$ 799.00
$ 639.00
$ 639.00 - $ 639.00
$ 639.00

Foster 310M-4804NP, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Manual, Nickel-Plated Brass/Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4804NP is a nickel-plated brass/steel 3/8" c...

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$ 799.00
$ 799.00 - $ 799.00
$ 799.00
$ 639.00
$ 639.00 - $ 639.00
$ 639.00
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 %
$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 460.00
$ 460.00 - $ 460.00
$ 460.00

Foster 310M-4804, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4804 is a brass and steel 3/8" coupler from ...

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$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 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
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$ 692.00
$ 692.00 - $ 692.00
$ 692.00
$ 554.00
$ 554.00 - $ 554.00
$ 554.00

Foster 310M-4704, 3/8" ARO Coupler x 5/16" Hose ID, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4704 is a brass and steel 3/8" coupler from ...

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$ 692.00
$ 692.00 - $ 692.00
$ 692.00
$ 554.00
$ 554.00 - $ 554.00
$ 554.00
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 %
$ 717.00
$ 717.00 - $ 717.00
$ 717.00
$ 573.00
$ 573.00 - $ 573.00
$ 573.00

Foster 310M-4504, 3/8" ARO Coupler x 1/2" Male NPT, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4504 is a brass and steel 3/8" coupler from ...

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$ 717.00
$ 717.00 - $ 717.00
$ 717.00
$ 573.00
$ 573.00 - $ 573.00
$ 573.00
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 %
$ 742.00
$ 742.00 - $ 742.00
$ 742.00
$ 593.00
$ 593.00 - $ 593.00
$ 593.00

Foster 310M-4404, 3/8" ARO Coupler x 1/2" Female NPT, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4404 is a brass and steel 3/8" coupler from ...

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$ 742.00
$ 742.00 - $ 742.00
$ 742.00
$ 593.00
$ 593.00 - $ 593.00
$ 593.00
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 %
$ 870.00
$ 870.00 - $ 870.00
$ 870.00
$ 696.00
$ 696.00 - $ 696.00
$ 696.00

Foster 310M-4304NP, 3/8" ARO Coupler x 3/8" Male NPT, 310 Series, Manual, Nickel-Plated Brass/Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4304NP is a nickel-plated brass/steel 3/8" c...

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$ 870.00
$ 870.00 - $ 870.00
$ 870.00
$ 696.00
$ 696.00 - $ 696.00
$ 696.00
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 %
$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00

Foster 310M-4304, 3/8" ARO Coupler x 3/8" Male NPT, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4304 is a brass and steel 3/8" coupler from ...

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$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 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 %
$ 742.00
$ 742.00 - $ 742.00
$ 742.00
$ 593.00
$ 593.00 - $ 593.00
$ 593.00

Foster 310M-4204NP, 3/8" ARO Coupler x 3/8" Female NPT, 310 Series, Manual, Nickel-Plated Brass/Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4204NP is a nickel-plated brass/steel 3/8" c...

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$ 742.00
$ 742.00 - $ 742.00
$ 742.00
$ 593.00
$ 593.00 - $ 593.00
$ 593.00
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 %
$ 701.00
$ 701.00 - $ 701.00
$ 701.00
$ 561.00
$ 561.00 - $ 561.00
$ 561.00

Foster 310M-4204, 3/8" ARO Coupler x 3/8" Female NPT, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4204 is a brass and steel 3/8" coupler from ...

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$ 701.00
$ 701.00 - $ 701.00
$ 701.00
$ 561.00
$ 561.00 - $ 561.00
$ 561.00
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 %
$ 749.00
$ 749.00 - $ 749.00
$ 749.00
$ 598.00
$ 598.00 - $ 598.00
$ 598.00

Foster 310M-4104, 3/8" ARO Coupler x 1/4" Male NPT, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4104 is a brass and steel 3/8" coupler from ...

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$ 749.00
$ 749.00 - $ 749.00
$ 749.00
$ 598.00
$ 598.00 - $ 598.00
$ 598.00
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 %
$ 721.00
$ 721.00 - $ 721.00
$ 721.00
$ 577.00
$ 577.00 - $ 577.00
$ 577.00

Foster 310M-4004, 3/8" ARO Coupler x 1/4" Female NPT, 310 Series, Manual, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310M-4004 is a brass and steel 3/8" coupler from ...

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$ 721.00
$ 721.00 - $ 721.00
$ 721.00
$ 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 %
$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00

Foster 310-4904, 3/8" ARO Coupler x 1/2" Hose ID, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-4904 is a brass and steel 3/8" coupler from t...

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$ 593.00
$ 593.00 - $ 593.00
$ 593.00
$ 474.00
$ 474.00 - $ 474.00
$ 474.00
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 %
$ 139.00
$ 139.00 - $ 139.00
$ 139.00
$ 112.00
$ 112.00 - $ 112.00
$ 112.00

Foster 310-49, 3/8" ARO Plug x 1/2" Hose ID, 310 Series, Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-49 is a steel 3/8" plug from the Foster 310 S...

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$ 139.00
$ 139.00 - $ 139.00
$ 139.00
$ 112.00
$ 112.00 - $ 112.00
$ 112.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00

Foster 310-4804, 3/8" ARO Coupler x 3/8" Hose ID, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-4804 is a brass and steel 3/8" coupler from t...

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$ 582.00
$ 582.00 - $ 582.00
$ 582.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00
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 %
$ 158.00
$ 158.00 - $ 158.00
$ 158.00
$ 126.00
$ 126.00 - $ 126.00
$ 126.00

Foster 310-48, 3/8" ARO Plug x 3/8" Hose ID, 310 Series, Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-48 is a steel 3/8" plug from the Foster 310 S...

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$ 158.00
$ 158.00 - $ 158.00
$ 158.00
$ 126.00
$ 126.00 - $ 126.00
$ 126.00
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 %
$ 598.00
$ 598.00 - $ 598.00
$ 598.00
$ 479.00
$ 479.00 - $ 479.00
$ 479.00

Foster 310-4704, 3/8" ARO Coupler x 5/16" Hose ID, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-4704 is a brass and steel 3/8" coupler from t...

View full details
$ 598.00
$ 598.00 - $ 598.00
$ 598.00
$ 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 %
$ 584.00
$ 584.00 - $ 584.00
$ 584.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00

Foster 310-4604, 3/8" ARO Coupler x 1/4" Hose ID, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-4604 is a brass and steel 3/8" coupler from t...

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$ 584.00
$ 584.00 - $ 584.00
$ 584.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00
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 %
$ 559.00
$ 559.00 - $ 559.00
$ 559.00
$ 447.00
$ 447.00 - $ 447.00
$ 447.00

Foster 310-4504, 3/8" ARO Coupler x 1/2" Male NPT, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-4504 is a brass and steel 3/8" coupler from t...

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$ 559.00
$ 559.00 - $ 559.00
$ 559.00
$ 447.00
$ 447.00 - $ 447.00
$ 447.00
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
$ 444.00
$ 444.00 - $ 444.00
$ 444.00

Foster 310-4404, 3/8" ARO Coupler x 1/2" Female NPT, 310 Series, Automatic, Brass and Steel

Reliable 3/8" air connections that interchange with ARO 310 Series couplers and plugs. The Foster 310-4404 is a brass and steel 3/8" coupler from t...

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$ 556.00
$ 556.00 - $ 556.00
$ 556.00
$ 444.00
$ 444.00 - $ 444.00
$ 444.00
Save 20% Save %

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