Choose Length Example: Qty 1 = 1 ft Length, Qty 3 = 3 ft Length, Qty 12 = 12 ft Length 3/4" Blue Silicone Heater Hose Inside Diameter (ID): 0.75" (19mm) Outside Diameter (OD): 1.08" (27mm) -65°F (-54°C) to +350°F (+177°C) Actual Burst Pressure 300 PSI / SAE J20 R3 200 PSI This listing is for 1 Foot. If you would like a custom length make the qty the number of feet you would like. Example Qty 1 = 1 ft Length, Qty 3 = 3 ft Length, Qty 12 = 12 ft Length. Any Length you choose we will send it as 1 length. All of the Hose is Brand New cut from a Reel. Construction: Silicone hose with 1-ply of Nylon Fiber Reinforcement Specifications: Meets or exceeds the operating requirements of SAE J20 R3 Class A Meets or exceeds the operating requirements of TMC RP303B Class I Grade II Temperature range is -65°F (-54°C) to +350°F (+177°C) Standard Wall Thickness is .140”/.170” Working pressure is 1/3 of the burst pressure Bend radius is 5 times the ID of the hose Applications: Resistant to coolant additives Resists hardening, cracking, cold leaks, aging, and many chemicals Ideal for extreme temperature and various pressure ranges where high performance levels are required