Trident Series 321 Ocean-Flex Multipurpose Marine Hose, black nitrile, 3/4" ID. This unique hose can be used for a multitude of applications for both commercial and recreational vessels including: Fuel Fill, Feed and Vent (Diesel & Gasoline Type A1); Lube Oil; Wet Exhaust; Water (Vital and NonVital); Bilge; Coolant; Drains and Sanitation. Provides excellent resistance to fuel, fire, heat, cold, ozone and aging. Also provides exceptional bend-ability. Temp range -20? F to 212? F (-29? C to 100? C). Sold by 12-1/2' lengths.