Use where bends or long lengths are required, such as engine intake, wet exhaust connections, bilge pump intake/discharge, scupper lines, toilet intake/discharge, holding tank vent or pumpout. Black synthetic rubber tube and cover. Reinforced with wire helix imbedded within plies of HD synthetic cord. Resistant to exhaust fumes, ozone, mild chemicals, antifreeze, salt water. Abrasion resistant, odor permeation resistant. Temperature range -20° to +200°F continuous, +250° intermittent. Meets SAE J2006 Type R2 and double ozone resistance requirements.