3" PVC Oval Cowl Vent UV Resistant

Why should I fit Cowl vents: The advantage of having good ventilation can not be understated A good ventilation system will remove moisture from the interior, preventing mold and mildew from forming There is less moisture-related damage to the electrical and plumbing systems, Will help the engine and mechanical systems suffer less from rust problems Mattresses and bedding will keep drier, who like damp bedding? Also properly vented bilges stay fresher and drier and thereby preventing bad smells associated with bilges Sail lockers that are well vented help keep sails fresher and free from mold and mildew Good ventilation is essential in keeping a boats interior free from bad odors and mold growth. Good ventilation to the heads needs no explanation