Feature:1. Moisture Prevention: The boat cowl ventilator could keep good ventilation which will remove moisture from the boat interior, bringing a comfortable environment.2. Powerful Function: The heavy duty marine intake cowl ventilator can greatly help keep bilges stay odorless and prevent rust, prolong its service life.3. Exquisite Workmanship: The marine exhaust cowl ventilator is professionally designed with classic appearance, well matched with the overall style of your vehicle.4. Wide Application: The intake cowl ventilator can be used to various kinds of boats and yachts, commonly installed in marine cockpit, engine ventilation.5. High Quality Materials: The boat cowl vent is manufactured by premium 304 stainless steel with high strength, ensuring dependable strength, durability and performance.Specification:Item Type: Boat Cowl VentMaterial: 304 Stainless Steel + NylonWithout Base:Length: Approx. 140mm/5.5inWidth: Approx. 140mm/5.5inHeight: Approx. 50mm/2inWith Base:Length: Approx. 147.4mm/5.8inWidth: Approx. 150mm/5.9inHeight: Approx. 100mm/3.9in.Package List:1 xBoat Cowl Vent1 x Base