https://www.tractorsupply.com/tsc/product/xtrweld-twin-hose-grade-r-bb-fittings-1-4-in-diameter-25-ft-length-xtrhtwr14bb25
XTRweld Twin Hose Grade R, BB Fittings, 1/4 in. Diameter, 25 ft. Length at Tractor Supply Co
Twin Hose, Grade: R; Style: BB Fittings; Type: VD (For Acetylene use only and Oxygen); Color: Red/Green; Diameter: 1/4 inch; Length: 25 feetMulti-Ventilating...