Wall Cap in Black; Ventilation Fans

Features Wall cap fits 3” or 4” round duct includes 3” to 4” round transition included for versatility Spring operated built-in backdraft damper and bird screen keep out unwanted outside air and critters Steel baked black enamel finish for durability and long life that stands up to the elements (not for use with dryers) Downloads Spec Sheet Installation Guide Downloads & Links Installation Guide Spec Sheet