Adjustable Dampers

Box Damper for Trimline Wood Vents

The adjustable box damper is available on the standard sizes listed for Trimline insert and flush WITH frame wood vents.

Easy Slide Damper for Trimline Wood Vents

The Easy Slide Damper got it's name from it's simplified function and easy attachment. The metal damper self attaches to guide rails on the Trimline Insert and Flush with Frame vents (standard sizes only). The design allows for airflow control while staying above the duct opening for simplified installation.