Shields 116-250-2124 2 1/2 in. Exhaust/Water Hose 2 1/2" Exhaust-Water Hose 12 1/2' | Sierra 116-250-2124 2 1/2 in. Exhaust/Water Hose Shieldsflex II Marine 250 Series Water/Exhaust Hose features a black synthetic rubber tube and cover and is reinforced with wire helix imbedded between plies of HD synthetic cord Resistant to exhaust fumes, ozone, mild chemicals, anitfreeze and saltwater Hose has abrasion and odor permeation resistance Shieldsflex II is primarily used for engine intake, wet exhaust connections (use where bends or long lengths are required), bilge pump intake/discharge, scupper lines, toilet intake/discharge, and holiding tank vent/pump out Temperature ranges from -20° F – +200°F continuous, +250°F intermittent Meets SAE J2006 Type R2 standards