The Lambro® 6-In. 26-Gauge Galvanized Steel Exhaust Wall Hood Vent with 11-In. Pipe is ideal for venting through the wall. This vent is used for bath fan exhaust, range hood exhaust, and other general venting applications where exhaust air needs to exit to the exterior. The exhaust vent allows for maximum exhaust airflow using a spring-controlled damper that prevents back drafts. Made from 26-gauge galvanized steel for durability and will maintain longevity. Check local building codes prior to installation..