Camper Skylight Camper Accessories Camper Van Motorhomes Vents Exhaust Window Ventilation Heat Dissipation 1111Inch. 1Roof Vent Fan With LED. The manual control roof vent replaces the air in your motorhome or caravan within minutes. It removes cooking smoke and unpleasant aromas from the bathroom and lets you breathe fresh outside air. Breathe natural, fresh outdoor air to make your living space more comfortable. Installation instructions are NOT included Professional installation is strongly recommended It is recommended to use a neutral structural adhesive for installation to avoid the bad combination of acidic and alkaline adhesive, which can cause bad chemical reactions such as corrosion and glue cracking. Equipped with stainless steel insect screen Motor made of pure copper core, reliable and highly efficient Fan with 10 blades, more stable and quieter Bi-directional air extraction Waterproof and soundproof, difficult to age.