Steel Roof Vent Cap For 3 Inch And 4 Inch Round Ducts Black Finish For Bathroom Exhaust Fans With Built In Backdraft Damper And Bird Screen Durable Steel Construction

Steel Roof Vent Cap for 3 and 4 Inch Ducts with Damper - Single Unit
✔️ Fits 3 in and 4 in round ducts; damper and bird screen

Designed for bathroom exhaust fans, this steel roof vent cap protects the vent from weather and pests while venting moist air through 3" or 4" round ducts.

✅ Steel construction with black powder coat finish
✅ Compatible with 3" and 4" round ducting
✅ Built-in backdraft damper to prevent reverse airflow
✅ Bird screen to block birds and small animals from entering duct work

💡 What is a roof vent cap used for in bathroom exhaust systems? This handy device protects the vent and ducts while keeping pests out. - 3" and 4" round duct compatibility - built-in backdraft damper to prevent reverse airflow - durable steel with black finish