Fan-Tastic Vent 800900 Static RV Roof Vent, White fan, Smoke dome Fan-Tastic Static 900 Vent is great for bathrooms, cargo trailers, towable etc. Smoked Lexan Polycarbonate Dome (skylight effect) Dimensions: fits 14 inches x 14 inches cutout 4-1/2 inches White interior trim garnish Installation kit with gasket (no sealant) and Lifetime Warranty