Trident Flex Hardwall Exhaust Hose, 4" x 4' T001811 it is designed for non-pressurized

it is designed for non-pressurized water systems

all Mercury and Mariner 4‑Stroke (USA Origin) outboards

Flexible black vinyl

Requires one 1" space HACR SWD Rated 120/240VAC 10

that is over twice the weight of standard thumbscrew mooring poles

Trident Flex Hardwall Exhaust Hose, 4" x 4' T001811 it is designed for non-pressurizedPremium wet exhaust hose for long and or bent connections. Heavy tube and cover with wire helix between 2 ply reinforcement provides excellent flexibility and bend radius. Made to marine standards. Resists heat, ozone, fumes and collapse. Blue stripe. 250A F. SAE J2006 R2. Lloyd's registry type approved. 5 year warranty.