Item Type: 5 Slots Boat Louvered Vent Product Material: Stainless Steel Product Size:Approx. 32.5 x 11cm / 12.9 x 4.3in(The Size is Measured Manually, There is a Certain Error.) Package List 1 x 5 Slots Boat Louvered Vent The size is measured manually, there is a certain error. 1Polishing Treatment: The surfaces of boat marine stainless steel vent is polished, anti corrosion, anti rust, beautiful and practical. 2Stainless Steel: 5 slots boat louvered vent is made of stainless steel with good corrosion resistance and rust resistance. 3Easy to Use: The stainless steel boat louvered vent is easy to install and maintain, no modification required, and is not easy to fall off. 45 Slots: The boat blower vent cover adopts a 5 slot design, with good ventilation and strong practicability. 5Scope of Application: 5 slots louver vent can be applied to all kinds of boats and yachts, with strong practicability.