Hardwall Exhaust/Water Hose, 3-1/2" x 12-1/2' 

Use for engine intake and wet exhaust connections where bends or long lengths are required. Also good for bilge pump intake/discharge, scupper lines, toilet intake/discharge, and holding tank vent and pump out. Black synthetic rubber tube and cover, reinforced with wire helix imbedded between plies of HD synthetic cord. Resistant to: exhaust fumes, ozone, mild chemicals, antifreeze, salt water, abrasion and odor permeation. Temperature range: -20° F to 200° F continuous, +250° F intermittent. Meets SAE J2006 Type R2.

ID: 3-1/2", OD: 4", Length: 12-1/2'