Solid wood construction with louvered design.
Fit for duct opening size: 4" x 10"
Wood vent overall size: 5-5/8" x 11-1/4"
Drop in vent with self rimming edge, drop in duct opening easily.
No sliding damper. If you need a damper, please search "Homewell metal damper" in our store to get right size damper for your wood vent.