100ft roll of 3/4" Sioux Chief PowerPEX oxygen barrier type PEX-a tubing. Intended for use in closed loop or open loop radiant floor heating and hydronic heating systems. Also approved for potable water use. Direct replacement for Uponor/Wirsbo hePEX A1140750 and Mr. PEX 1240010. For use with F1960 style expansion fittings, expander tool and expansion sleeves. Fully compatible with Uponor ProPEX connection system.