3" Corrugated Marine Exhaust Hose 50' | Sierra 116-252-3000 Shields Marine Exhaust/Water Hose 3 in. Corrugated Marine Exhaust Hose 50 ft. length 12 inch bending radius Wet exhaust connections - with significant bends Engine intake Scupper lines Black synthetic rubber tube and cover Reinforced with double wire helix imbedded between plies of synthetic cord Resistant to: exhaust fumes, ozone, mild chemicals, antifreeze, salt water Abrasion resistant Temperature range:-20F to +200F continuous, +250F intermittent