It is a premium wire reinforced marine hose. Improved compounding allows Shieldsflex II to be used in marine water and wet exhaust application. Designed for engine intake, bilge discharge, toilet and holding tank connections. Also for marine wet exhaust where connection requires a long length or a significant bend. Meets or exceeds standards for type certified wet exhaust hose. Heavy wall construction, reinforced with wire helix imbedded between tough synthetic spiral cord plies. Resists engine heat, ozone, mild acids, toilet effluent, salt water and abrasion.