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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 %
$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09

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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$ 22.59
$ 22.59 - $ 22.59
$ 22.59
$ 18.09
$ 18.09 - $ 18.09
$ 18.09
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 %
$ 22.49
$ 22.49 - $ 22.49
$ 22.49
$ 17.99
$ 17.99 - $ 17.99
$ 17.99

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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$ 22.49
$ 22.49 - $ 22.49
$ 22.49
$ 17.99
$ 17.99 - $ 17.99
$ 17.99
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 %
$ 14.09
$ 14.09 - $ 14.09
$ 14.09
$ 11.29
$ 11.29 - $ 11.29
$ 11.29

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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$ 14.09
$ 14.09 - $ 14.09
$ 14.09
$ 11.29
$ 11.29 - $ 11.29
$ 11.29
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 %
$ 17.79
$ 17.79 - $ 17.79
$ 17.79
$ 14.19
$ 14.19 - $ 14.19
$ 14.19

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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$ 17.79
$ 17.79 - $ 17.79
$ 17.79
$ 14.19
$ 14.19 - $ 14.19
$ 14.19
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 %
$ 14.39
$ 14.39 - $ 14.39
$ 14.39
$ 11.49
$ 11.49 - $ 11.49
$ 11.49

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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$ 14.39
$ 14.39 - $ 14.39
$ 14.39
$ 11.49
$ 11.49 - $ 11.49
$ 11.49
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 %
$ 18.39
$ 18.39 - $ 18.39
$ 18.39
$ 14.69
$ 14.69 - $ 14.69
$ 14.69

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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$ 18.39
$ 18.39 - $ 18.39
$ 18.39
$ 14.69
$ 14.69 - $ 14.69
$ 14.69
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 %
$ 10.99
$ 10.99 - $ 10.99
$ 10.99
$ 8.79
$ 8.79 - $ 8.79
$ 8.79

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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$ 10.99
$ 10.99 - $ 10.99
$ 10.99
$ 8.79
$ 8.79 - $ 8.79
$ 8.79
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 %
$ 18.79
$ 18.79 - $ 18.79
$ 18.79
$ 15.09
$ 15.09 - $ 15.09
$ 15.09

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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$ 18.79
$ 18.79 - $ 18.79
$ 18.79
$ 15.09
$ 15.09 - $ 15.09
$ 15.09
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 %
$ 6.39
$ 6.39 - $ 6.39
$ 6.39
$ 5.09
$ 5.09 - $ 5.09
$ 5.09

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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$ 6.39
$ 6.39 - $ 6.39
$ 6.39
$ 5.09
$ 5.09 - $ 5.09
$ 5.09
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 %
$ 13.09
$ 13.09 - $ 13.09
$ 13.09
$ 10.49
$ 10.49 - $ 10.49
$ 10.49

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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$ 13.09
$ 13.09 - $ 13.09
$ 13.09
$ 10.49
$ 10.49 - $ 10.49
$ 10.49
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 %
$ 5.19
$ 5.19 - $ 5.19
$ 5.19
$ 4.19
$ 4.19 - $ 4.19
$ 4.19

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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$ 5.19
$ 5.19 - $ 5.19
$ 5.19
$ 4.19
$ 4.19 - $ 4.19
$ 4.19
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 %
$ 30.69
$ 30.69 - $ 30.69
$ 30.69
$ 24.59
$ 24.59 - $ 24.59
$ 24.59

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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$ 30.69
$ 30.69 - $ 30.69
$ 30.69
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
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 %
$ 30.49
$ 30.49 - $ 30.49
$ 30.49
$ 24.39
$ 24.39 - $ 24.39
$ 24.39

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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$ 30.49
$ 30.49 - $ 30.49
$ 30.49
$ 24.39
$ 24.39 - $ 24.39
$ 24.39
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 %
$ 31.49
$ 31.49 - $ 31.49
$ 31.49
$ 25.19
$ 25.19 - $ 25.19
$ 25.19

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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$ 31.49
$ 31.49 - $ 31.49
$ 31.49
$ 25.19
$ 25.19 - $ 25.19
$ 25.19
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 %
$ 29.89
$ 29.89 - $ 29.89
$ 29.89
$ 23.99
$ 23.99 - $ 23.99
$ 23.99

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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$ 29.89
$ 29.89 - $ 29.89
$ 29.89
$ 23.99
$ 23.99 - $ 23.99
$ 23.99
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 %
$ 29.29
$ 29.29 - $ 29.29
$ 29.29
$ 23.49
$ 23.49 - $ 23.49
$ 23.49

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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$ 29.29
$ 29.29 - $ 29.29
$ 29.29
$ 23.49
$ 23.49 - $ 23.49
$ 23.49
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 %
$ 28.89
$ 28.89 - $ 28.89
$ 28.89
$ 23.09
$ 23.09 - $ 23.09
$ 23.09

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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$ 28.89
$ 28.89 - $ 28.89
$ 28.89
$ 23.09
$ 23.09 - $ 23.09
$ 23.09
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 %
$ 27.89
$ 27.89 - $ 27.89
$ 27.89
$ 22.39
$ 22.39 - $ 22.39
$ 22.39

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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$ 27.89
$ 27.89 - $ 27.89
$ 27.89
$ 22.39
$ 22.39 - $ 22.39
$ 22.39
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 %
$ 27.49
$ 27.49 - $ 27.49
$ 27.49
$ 21.99
$ 21.99 - $ 21.99
$ 21.99

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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$ 27.49
$ 27.49 - $ 27.49
$ 27.49
$ 21.99
$ 21.99 - $ 21.99
$ 21.99
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 %
$ 27.29
$ 27.29 - $ 27.29
$ 27.29
$ 21.89
$ 21.89 - $ 21.89
$ 21.89

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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$ 27.29
$ 27.29 - $ 27.29
$ 27.29
$ 21.89
$ 21.89 - $ 21.89
$ 21.89
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 %
$ 26.59
$ 26.59 - $ 26.59
$ 26.59
$ 21.29
$ 21.29 - $ 21.29
$ 21.29

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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$ 26.59
$ 26.59 - $ 26.59
$ 26.59
$ 21.29
$ 21.29 - $ 21.29
$ 21.29
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 %
$ 14.99
$ 14.99 - $ 14.99
$ 14.99
$ 11.99
$ 11.99 - $ 11.99
$ 11.99

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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$ 14.99
$ 14.99 - $ 14.99
$ 14.99
$ 11.99
$ 11.99 - $ 11.99
$ 11.99
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 %
$ 2.49
$ 2.49 - $ 2.49
$ 2.49
$ 1.99
$ 1.99 - $ 1.99
$ 1.99

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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$ 2.49
$ 2.49 - $ 2.49
$ 2.49
$ 1.99
$ 1.99 - $ 1.99
$ 1.99
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 %
$ 24.29
$ 24.29 - $ 24.29
$ 24.29
$ 19.49
$ 19.49 - $ 19.49
$ 19.49

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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$ 24.29
$ 24.29 - $ 24.29
$ 24.29
$ 19.49
$ 19.49 - $ 19.49
$ 19.49
Save 20% Save %

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