Premium water hose for engine intake and coolant, sanitation uses, water and scupper lines, bilge discharge and bait wells. Heavy EPDM tube and cover with wire helix between 2 ply reinforcement provides excellent flexibility and bend radius. Made to marine exhaust standards. Resists heat, ozone and collapse. Blue stripe. 5 year warranty. 280°F. SAE J2006 R2. Lloyd's registry type approved.