*** use Option (1) to select Hose Size ***
Forespar Marelon 253 Series mushroom head hose thru hull connectors are precision moulded in high strength Marelon. Their great strength, light weight and complete freedom from corrosion and electrolysis make them the ideal thru hull for use above and below waterline. Forespar recommend a maximum torque setting of 27 Nm (20 lb/ft) for Series 250, Series 251 and Series 253 thru hull connectors.
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