Shop our collection of Boating Ventilation. Our selection includes an extensive array of Louvered Vents, Fuel Vents and Cowl Vents along with Deck Plates and matching keys. Our Cowl Vents come in different sizes, colors, and shapes so you can find exactly what you're looking for. Need to replace or install a Louvered Vent? We have options in Stainless, Black, White, or Chrome in various sizes to fit your needs.