3" Softwall Marine Exhaust Hose Per Foot | Sierra 116-200-3000-1 3 in. Marine Exhaust / Water Hose (No Wire) Price per foot Straight connections in wet exhaust systems Engine water circulation lines Black heavy walled synthetic rubber Reinforced with 2 or 4 plies of synthetic cord Resistant to: engine heat, exhaust fumes, ozone, mild chemicals, antifreeze, salt water Temperature range: -20F to +200F continuous and +250F intermittent