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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 %
$ 427.00
$ 427.00 - $ 427.00
$ 427.00
$ 342.00
$ 342.00 - $ 342.00
$ 342.00

Foster 3L58, 3/8" Hansen RL Interchange Air Plug x 1/4" Hose ID, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L58 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 427.00
$ 427.00 - $ 427.00
$ 427.00
$ 342.00
$ 342.00 - $ 342.00
$ 342.00
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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 %
$ 426.00
$ 426.00 - $ 426.00
$ 426.00
$ 340.00
$ 340.00 - $ 340.00
$ 340.00

Foster 3L57, 3/8" Hansen RL Interchange Air Plug x 3/4" Female NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L57 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 426.00
$ 426.00 - $ 426.00
$ 426.00
$ 340.00
$ 340.00 - $ 340.00
$ 340.00
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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 %
$ 267.00
$ 267.00 - $ 267.00
$ 267.00
$ 214.00
$ 214.00 - $ 214.00
$ 214.00

Foster 3L56, 3/8" Hansen RL Interchange Air Plug x 3/4" Male NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L56 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 267.00
$ 267.00 - $ 267.00
$ 267.00
$ 214.00
$ 214.00 - $ 214.00
$ 214.00
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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 %
$ 337.00
$ 337.00 - $ 337.00
$ 337.00
$ 269.00
$ 269.00 - $ 269.00
$ 269.00

Foster 3L55G, 3/8" Hansen RL Interchange Air Plug Ball Check x 1/2" Female NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L55G is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL co...

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$ 337.00
$ 337.00 - $ 337.00
$ 337.00
$ 269.00
$ 269.00 - $ 269.00
$ 269.00
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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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$ 272.00
$ 272.00 - $ 272.00
$ 272.00
$ 218.00
$ 218.00 - $ 218.00
$ 218.00

Foster 3L55, 3/8" Hansen RL Interchange Air Plug x 1/2" Female NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L55 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 272.00
$ 272.00 - $ 272.00
$ 272.00
$ 218.00
$ 218.00 - $ 218.00
$ 218.00
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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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$ 348.00
$ 348.00 - $ 348.00
$ 348.00
$ 278.00
$ 278.00 - $ 278.00
$ 278.00

Foster 3L54G, 3/8" Hansen RL Interchange Air Plug Ball Check x 1/2" Male NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L54G is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL co...

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$ 348.00
$ 348.00 - $ 348.00
$ 348.00
$ 278.00
$ 278.00 - $ 278.00
$ 278.00
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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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$ 208.00
$ 208.00 - $ 208.00
$ 208.00
$ 167.00
$ 167.00 - $ 167.00
$ 167.00

Foster 3L54, 3/8" Hansen RL Interchange Air Plug x 1/2" Male NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L54 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 208.00
$ 208.00 - $ 208.00
$ 208.00
$ 167.00
$ 167.00 - $ 167.00
$ 167.00
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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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$ 356.00
$ 356.00 - $ 356.00
$ 356.00
$ 286.00
$ 286.00 - $ 286.00
$ 286.00

Foster 3L52G, 3/8" Hansen RL Interchange Air Plug Ball Check x 3/8" Male NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L52G is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL co...

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$ 356.00
$ 356.00 - $ 356.00
$ 356.00
$ 286.00
$ 286.00 - $ 286.00
$ 286.00
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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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$ 121.00
$ 121.00 - $ 121.00
$ 121.00
$ 97.00
$ 97.00 - $ 97.00
$ 97.00

Foster 3L52, 3/8" Hansen RL Interchange Air Plug x 3/8" Male NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L52 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 121.00
$ 121.00 - $ 121.00
$ 121.00
$ 97.00
$ 97.00 - $ 97.00
$ 97.00
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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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$ 248.00
$ 248.00 - $ 248.00
$ 248.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00

Foster 3L51, 3/8" Hansen RL Interchange Air Plug x 1/4" Female NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L51 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 248.00
$ 248.00 - $ 248.00
$ 248.00
$ 199.00
$ 199.00 - $ 199.00
$ 199.00
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 %
$ 99.00
$ 99.00 - $ 99.00
$ 99.00
$ 80.00
$ 80.00 - $ 80.00
$ 80.00

Foster 3L50, 3/8" Hansen RL Interchange Air Plug x 1/4" Male NPT, 3FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 3L50 is a 3/8" plug from the 3FRL Series, which interchanges with Hansen 3/8" 3RL cou...

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$ 99.00
$ 99.00 - $ 99.00
$ 99.00
$ 80.00
$ 80.00 - $ 80.00
$ 80.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 581.00
$ 581.00 - $ 581.00
$ 581.00
$ 465.00
$ 465.00 - $ 465.00
$ 465.00

Foster 2R4904, 1/4" Hansen RL Interchange Air Coupler x 1/2" Hose ID, 2FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 2R4904 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 581.00
$ 581.00 - $ 581.00
$ 581.00
$ 465.00
$ 465.00 - $ 465.00
$ 465.00
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 %
$ 577.00
$ 577.00 - $ 577.00
$ 577.00
$ 461.00
$ 461.00 - $ 461.00
$ 461.00

Foster 2R4804, 1/4" Hansen RL Interchange Air Coupler x 3/8" Hose ID, 2FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 2R4804 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 577.00
$ 577.00 - $ 577.00
$ 577.00
$ 461.00
$ 461.00 - $ 461.00
$ 461.00
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 2R4704, 1/4" Hansen RL Interchange Air Coupler x 1/2" Hose ID, 2FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 2R4704 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 596.00
$ 596.00 - $ 596.00
$ 596.00
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
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 %
$ 565.00
$ 565.00 - $ 565.00
$ 565.00
$ 454.00
$ 454.00 - $ 454.00
$ 454.00

Foster 2R4604, 1/4" Hansen RL Interchange Air Coupler x 3/8" Hose ID, 2FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 2R4604 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 565.00
$ 565.00 - $ 565.00
$ 565.00
$ 454.00
$ 454.00 - $ 454.00
$ 454.00
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 %
$ 554.00
$ 554.00 - $ 554.00
$ 554.00
$ 444.00
$ 444.00 - $ 444.00
$ 444.00

Foster 2R4504, 1/4" Hansen RL Interchange Air Coupler x 1/2" Male NPT, 2FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 2R4504 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 554.00
$ 554.00 - $ 554.00
$ 554.00
$ 444.00
$ 444.00 - $ 444.00
$ 444.00
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 %
$ 546.00
$ 546.00 - $ 546.00
$ 546.00
$ 437.00
$ 437.00 - $ 437.00
$ 437.00

Foster 2R4404, 1/4" Hansen RL Interchange Air Coupler x 1/2" Female NPT, 2FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 2R4404 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 546.00
$ 546.00 - $ 546.00
$ 546.00
$ 437.00
$ 437.00 - $ 437.00
$ 437.00
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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$ 528.00
$ 528.00 - $ 528.00
$ 528.00
$ 424.00
$ 424.00 - $ 424.00
$ 424.00

Foster 2R4304, 1/4" Hansen RL Interchange Air Coupler x 3/8" Male NPT, 2FRL Series, Brass/Steel

Rugged air-line connections built for the jobsite. The Foster 2R4304 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 528.00
$ 528.00 - $ 528.00
$ 528.00
$ 424.00
$ 424.00 - $ 424.00
$ 424.00
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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$ 520.00
$ 520.00 - $ 520.00
$ 520.00
$ 416.00
$ 416.00 - $ 416.00
$ 416.00

Foster 2R4204, 1/4" Hansen RL Interchange Air Coupler x 3/8" Female NPT, 2FRL Series, Brass/Steel

Rugged air-line connections built for the jobsite. The Foster 2R4204 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 520.00
$ 520.00 - $ 520.00
$ 520.00
$ 416.00
$ 416.00 - $ 416.00
$ 416.00
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 %
$ 516.00
$ 516.00 - $ 516.00
$ 516.00
$ 414.00
$ 414.00 - $ 414.00
$ 414.00

Foster 2R4104, 1/4" Hansen RL Interchange Air Coupler x 1/4" Male NPT, 2FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 2R4104 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 516.00
$ 516.00 - $ 516.00
$ 516.00
$ 414.00
$ 414.00 - $ 414.00
$ 414.00
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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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$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 403.00
$ 403.00 - $ 403.00
$ 403.00

Foster 2R4004, 1/4" Hansen RL Interchange Air Coupler x 1/4" Female NPT, 2FRL Series, Steel

Rugged air-line connections built for the jobsite. The Foster 2R4004 is a 1/4" coupler from the 2FRL Series, which interchanges with Hansen 1/4" 2R...

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$ 503.00
$ 503.00 - $ 503.00
$ 503.00
$ 403.00
$ 403.00 - $ 403.00
$ 403.00
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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$ 284.00
$ 284.00 - $ 284.00
$ 284.00
$ 227.00
$ 227.00 - $ 227.00
$ 227.00

Foster FP352S, 3/8" Jiffy-Tite Mold Coolant Nipple x 3/8" Hose Stem, FJT Series, Stainless

Coolant line connections for plastic injection molds and die-casting dies. The Foster FP352S is a stainless 3/8" nipple from the FJT Series — the J...

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$ 284.00
$ 284.00 - $ 284.00
$ 284.00
$ 227.00
$ 227.00 - $ 227.00
$ 227.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 48.00
$ 48.00 - $ 48.00
$ 48.00
$ 38.00
$ 38.00 - $ 38.00
$ 38.00

Foster FP252S, 1/4" Jiffy-Tite Mold Coolant Nipple x 1/4" Hose Stem, FJT Series, Stainless

Coolant line connections for plastic injection molds and die-casting dies. The Foster FP252S is a stainless 1/4" nipple from the FJT Series — the J...

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$ 48.00
$ 48.00 - $ 48.00
$ 48.00
$ 38.00
$ 38.00 - $ 38.00
$ 38.00
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 460.00
$ 460.00 - $ 460.00
$ 460.00
$ 369.00
$ 369.00 - $ 369.00
$ 369.00

Foster FS318HFP, 3/8" Jiffy-Tite Mold Coolant Coupler x 90° 3/8" Hose Barb, FJT Series, Non-Valved (High Flow), Push-On, Brass

Fast coolant-line connections that slash mold-change downtime. The Foster FS318HFP is a brass 3/8" coupler from the FJT Series — the Jiffy-Tite mol...

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$ 460.00
$ 460.00 - $ 460.00
$ 460.00
$ 369.00
$ 369.00 - $ 369.00
$ 369.00
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