Shields Shieldsflex II 4 1/2" Hardwall Wire Reinforced Marine Exhaust Hose. Shieldsflex II Marine Water/Exhaust Hose has a black synthetic rubber tube and cover. It is reinforced with wire helix imbedded between plies of HD synthetic cord. It is resistant to exhaust fumes, ozone, mild chemicals, anitfreeze and saltwater. This hose is abrasion and odor permeation resistant. It now has double the ozone resistance required by the SAEJ2006. 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. The temperature ranges from -20F to 200F continuous, +250F intermittent. The hose meets SAE J2006 Type R2 standards.
Inner Diameter: 4 1/2"
Outer Diameter: 5 3/32"