4 in. bathroom soffit vent will vent out hot, humid bathroom air outside through the under eaves by attaching to ductwork that will extend to the bathroom fan. The all-aluminum construction of this vent prevents rust and corrosion. This vent comes in white to match most under eaves. In addition, the powder coat paint will keep the vent looking clean. The louver design will prevent rain, snow, insects, and animals from entering inside. As a result, this will add an extra layer of protection. AVP’s louver design protects better than most insect screens. Bathroom Soffit Vent to be used in conjunction with bathroom fan All aluminum construction for longevity 4 in. diameter easily attaches to flex duct Used for bathroom fan exhaust through the under eaves Beaded collar easily secures flex duct to vent Constructed of durable, rust-free aluminum Powder coated white to match most under eaves