VEVOR 3/4' x 500ft PEX Tubing Oxygen Barrier O2 EVOH Red Floor Radiant Heat 3/4' PEX Tube EVOH Oxygen Barrier 7' Bending Radius Various Tube Connection Different Installation Ways Wide Application Places Total Length: 500ft,Type: PEX Tube(Oxygen Barrier),ANSI/NSF 14, ANSI/NSF61, NSF-Pw (certified for radiant heating applications).:,SDR-9 dimensional standards.:,Inside Diameter: 0.66',Pressure Ratings: 188-217psi at 65; 101-108psi at 203,UPC listed by IAPMO.:,Temperature Range: -45 to 110( -47 to 230),Min.Bending Radius: 7' (industry standard for 3/4' PEX),Nominal Diameter: 3/4',Outside Diameter: 0.86',Tube Thickness: 0.1'