Sierra Comflex 1-12 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. 1 12 or 38.1mm O.D. 1.91 or 48.5mm Ply 2 Wt. C 78 Bend Radius 3 WP 50 Application Bilge, coolant, oil and fuel systems using gasoline, gasohol,