Skip to content
☀️ Take an Additional 10% Off Your Entire Order with code PROGRADE10 at checkout.
☀️ Additional 10% Off • PROGRADE10

Best Sellers

Our most popular couplers, hose, clamps, and irrigation parts. Updated automatically based on what customers actually buy.

Filters

Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 19.39
$ 19.39 - $ 19.39
$ 19.39
$ 15.49
$ 15.49 - $ 15.49
$ 15.49

Foster O-3103, 1/4" Oxygen Coupler x 1/4" Male NPT, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-3103 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 couple...

View full details
$ 19.39
$ 19.39 - $ 19.39
$ 19.39
$ 15.49
$ 15.49 - $ 15.49
$ 15.49
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 %
$ 20.59
$ 20.59 - $ 20.59
$ 20.59
$ 16.39
$ 16.39 - $ 16.39
$ 16.39

Foster O-3003LV, 1/4" Oxygen Coupler x 1/4" Female NPT, O60 Series (Hansen 600), Less Valve, Brass

Brass quick couplers for oxygen and gas service. The Foster O-3003LV is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 20.59
$ 20.59 - $ 20.59
$ 20.59
$ 16.39
$ 16.39 - $ 16.39
$ 16.39
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 %
$ 19.59
$ 19.59 - $ 19.59
$ 19.59
$ 15.69
$ 15.69 - $ 15.69
$ 15.69

Foster O-3003, 1/4" Oxygen Coupler x 1/4" Female NPT, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-3003 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 couple...

View full details
$ 19.59
$ 19.59 - $ 19.59
$ 19.59
$ 15.69
$ 15.69 - $ 15.69
$ 15.69
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 %
$ 19.39
$ 19.39 - $ 19.39
$ 19.39
$ 15.49
$ 15.49 - $ 15.49
$ 15.49

Foster O-2903, 1/4" Oxygen Coupler x 1/8" Male NPT, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-2903 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 couple...

View full details
$ 19.39
$ 19.39 - $ 19.39
$ 19.39
$ 15.49
$ 15.49 - $ 15.49
$ 15.49
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 %
$ 22.79
$ 22.79 - $ 22.79
$ 22.79
$ 18.19
$ 18.19 - $ 18.19
$ 18.19

Foster O-2803, 1/4" Oxygen Coupler x 1/8" Female NPT, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-2803 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 couple...

View full details
$ 22.79
$ 22.79 - $ 22.79
$ 22.79
$ 18.19
$ 18.19 - $ 18.19
$ 18.19
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 %
$ 22.89
$ 22.89 - $ 22.89
$ 22.89
$ 18.29
$ 18.29 - $ 18.29
$ 18.29

Foster O-1713, 1/4" Oxygen Coupler x 3/8" Hose ID, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-1713 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 couple...

View full details
$ 22.89
$ 22.89 - $ 22.89
$ 22.89
$ 18.29
$ 18.29 - $ 18.29
$ 18.29
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 %
$ 8.29
$ 8.29 - $ 8.29
$ 8.29
$ 6.59
$ 6.59 - $ 6.59
$ 6.59

Foster O-17, 1/4" Oxygen Plug x 3/8" Hose ID, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-17 is a 1/4" plug from the O60 Series, which interchanges with Hansen 600 couplers. D...

View full details
$ 8.29
$ 8.29 - $ 8.29
$ 8.29
$ 6.59
$ 6.59 - $ 6.59
$ 6.59
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 8.19
$ 8.19 - $ 8.19
$ 8.19
$ 6.59
$ 6.59 - $ 6.59
$ 6.59

Foster O-16, 1/4" Oxygen Plug x 1/4" Hose ID, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-16 is a 1/4" plug from the O60 Series, which interchanges with Hansen 600 couplers. D...

View full details
$ 8.19
$ 8.19 - $ 8.19
$ 8.19
$ 6.59
$ 6.59 - $ 6.59
$ 6.59
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 %
$ 21.59
$ 21.59 - $ 21.59
$ 21.59
$ 17.29
$ 17.29 - $ 17.29
$ 17.29

Foster O-1513, 1/4" Oxygen Coupler x 1/4" Hose ID, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-1513 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 couple...

View full details
$ 21.59
$ 21.59 - $ 21.59
$ 21.59
$ 17.29
$ 17.29 - $ 17.29
$ 17.29
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 %
$ 7.39
$ 7.39 - $ 7.39
$ 7.39
$ 5.89
$ 5.89 - $ 5.89
$ 5.89

Foster O-12, 1/4" Oxygen Plug x 1/8" Male NPT, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-12 is a 1/4" plug from the O60 Series, which interchanges with Hansen 600 couplers. D...

View full details
$ 7.39
$ 7.39 - $ 7.39
$ 7.39
$ 5.89
$ 5.89 - $ 5.89
$ 5.89
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 %
$ 8.99
$ 8.99 - $ 8.99
$ 8.99
$ 7.19
$ 7.19 - $ 7.19
$ 7.19

Foster O-11, 1/4" Oxygen Plug x 1/4" Female NPT, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-11 is a 1/4" plug from the O60 Series, which interchanges with Hansen 600 couplers. D...

View full details
$ 8.99
$ 8.99 - $ 8.99
$ 8.99
$ 7.19
$ 7.19 - $ 7.19
$ 7.19
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 %
$ 6.79
$ 6.79 - $ 6.79
$ 6.79
$ 5.39
$ 5.39 - $ 5.39
$ 5.39

Foster O-10, 1/4" Oxygen Plug x 1/4" Male NPT, O60 Series (Hansen 600), Brass

Brass quick couplers for oxygen and gas service. The Foster O-10 is a 1/4" plug from the O60 Series, which interchanges with Hansen 600 couplers. D...

View full details
$ 6.79
$ 6.79 - $ 6.79
$ 6.79
$ 5.39
$ 5.39 - $ 5.39
$ 5.39
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 26.09
$ 26.09 - $ 26.09
$ 26.09
$ 20.79
$ 20.79 - $ 20.79
$ 20.79

Foster BLO-3703, 1/4" Oxygen Coupler x 3/8" Hose ID, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-3703 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 26.09
$ 26.09 - $ 26.09
$ 26.09
$ 20.79
$ 20.79 - $ 20.79
$ 20.79
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 %
$ 25.59
$ 25.59 - $ 25.59
$ 25.59
$ 20.49
$ 20.49 - $ 20.49
$ 20.49

Foster BLO-3653, 1/4" Oxygen Coupler x 5/16" Hose ID, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-3653 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 25.59
$ 25.59 - $ 25.59
$ 25.59
$ 20.49
$ 20.49 - $ 20.49
$ 20.49
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 %
$ 25.39
$ 25.39 - $ 25.39
$ 25.39
$ 20.29
$ 20.29 - $ 20.29
$ 20.29

Foster BLO-3603, 1/4" Oxygen Coupler x 1/4" Hose ID, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-3603 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 25.39
$ 25.39 - $ 25.39
$ 25.39
$ 20.29
$ 20.29 - $ 20.29
$ 20.29
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 %
$ 25.19
$ 25.19 - $ 25.19
$ 25.19
$ 20.19
$ 20.19 - $ 20.19
$ 20.19

Foster BLO-3303, 1/4" Oxygen Coupler x 3/8" Male NPT, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-3303 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 25.19
$ 25.19 - $ 25.19
$ 25.19
$ 20.19
$ 20.19 - $ 20.19
$ 20.19
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 %
$ 24.99
$ 24.99 - $ 24.99
$ 24.99
$ 19.99
$ 19.99 - $ 19.99
$ 19.99

Foster BLO-3203, 1/4" Oxygen Coupler x 3/8" Female NPT, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-3203 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 24.99
$ 24.99 - $ 24.99
$ 24.99
$ 19.99
$ 19.99 - $ 19.99
$ 19.99
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 %
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69

Foster BLO-3103, 1/4" Oxygen Coupler x 1/4" Male NPT, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-3103 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69
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 %
$ 24.79
$ 24.79 - $ 24.79
$ 24.79
$ 19.79
$ 19.79 - $ 19.79
$ 19.79

Foster BLO-3003, 1/4" Oxygen Coupler x 1/4" Female NPT, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-3003 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 24.79
$ 24.79 - $ 24.79
$ 24.79
$ 19.79
$ 19.79 - $ 19.79
$ 19.79
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 %
$ 24.39
$ 24.39 - $ 24.39
$ 24.39
$ 19.49
$ 19.49 - $ 19.49
$ 19.49

Foster BLO-2903, 1/4" Oxygen Coupler x 1/8" Male NPT, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-2903 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 24.39
$ 24.39 - $ 24.39
$ 24.39
$ 19.49
$ 19.49 - $ 19.49
$ 19.49
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 %
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69

Foster BLO-2803, 1/4" Oxygen Coupler x 1/8" Female NPT, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-2803 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 24.59
$ 24.59 - $ 24.59
$ 24.59
$ 19.69
$ 19.69 - $ 19.69
$ 19.69
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 %
$ 27.09
$ 27.09 - $ 27.09
$ 27.09
$ 21.69
$ 21.69 - $ 21.69
$ 21.69

Foster BLO-1713, 1/4" Oxygen Coupler x 3/8" Hose ID, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-1713 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 27.09
$ 27.09 - $ 27.09
$ 27.09
$ 21.69
$ 21.69 - $ 21.69
$ 21.69
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 %
$ 26.89
$ 26.89 - $ 26.89
$ 26.89
$ 21.49
$ 21.49 - $ 21.49
$ 21.49

Foster BLO-1513, 1/4" Oxygen Coupler x 1/4" Hose ID, O60 Series (Hansen 600), Ball Lock, Brass

Brass quick couplers for oxygen and gas service. The Foster BLO-1513 is a 1/4" coupler from the O60 Series, which interchanges with Hansen 600 coup...

View full details
$ 26.89
$ 26.89 - $ 26.89
$ 26.89
$ 21.49
$ 21.49 - $ 21.49
$ 21.49
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 %
$ 26.29
$ 26.29 - $ 26.29
$ 26.29
$ 20.99
$ 20.99 - $ 20.99
$ 20.99

Foster BLA-3703, 1/4" Acetylene Coupler x 3/8" Hose ID, A70 Series (Hansen 700), Ball Lock, Brass

Brass quick couplers for acetylene and gas service. The Foster BLA-3703 is a 1/4" coupler from the A70 Series, which interchanges with Hansen 700 c...

View full details
$ 26.29
$ 26.29 - $ 26.29
$ 26.29
$ 20.99
$ 20.99 - $ 20.99
$ 20.99
Save 20% Save %

Request a Quote

Bulk and dealer pricing. Tell us what you need and we’ll reply within one business day.