1 7/8" Hardwall Marine Exh Hose Per Foot | Sierra 116-250-1780-1 1 7/8 in. Marine Water/Exhaust Hose (with Wire) Price per foot Engine intake Wet Exhaust Connections - Use where bends or long lengths required Bilge pump intake/discharge Holding tank vent, pump out Black synthetic rubber tube and cover Reinforced with wire helix imbedded between plies of HD synthetic cord Resistant to: exhaust fumes, ozone, mild chemicals, antifreeze, salt water Abrasion resistant Odor permeation resistant Temperature range: -20F to +200F continuous, +250F intermittent 27/32 in. outside diameter