Sierra Comflex 2 WaterExhaustFuel Line Comflex is a versatile wire reinforced hose specially designed for inspected vessels. Comflex is rated for fuel, vital water and non-vital water systems on boats requiring SAEJ1942 hoses. Features Black Nitrile Tube 2 textile piles with dual wire helix Black Chlorprene Temp. Range -20F to 212F Specifications I.D. 2 or 50.8mm O.D. 2.48 or 63mm Ply 2 Wt. C 118 Bend Radius 5 WP 50 Application Bilge, coolant, oil and fuel systems using gasoline, gasohol, diesel