4 In. Softwall Marine Exhaust Hose - Sold Per Foot | Shields 116-200-4004-14 In. Softwall Marine Exhaust Hose Sold Per Foot Shields 116 200 4004 1 Shields 200 Series Softwall Marine Exhaust Hose 4 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