Sierra Comflex 58 WaterExhaustFuel Line Features Black Nitrile Tube 2 textile piles with dual wire helix Black Chlorprene Temp. Range -20F to 212F Specifications I.D. 58 or 15.9mm O.D. 1 or 25mm Ply 2 Wt. C 33 Bend Radius 1.5 WP 75 Application Bilge, coolant, oil and fuel systems using gasoline, gasohol, diesel Bio diesel, wet exhaust systems, non-potable water systems Engine intake, toilet and holding tank connections Do not use in application requiring low-permeation fuel feed hose SAE J1527 A