SPECS: OUTSIDE CUTOUT - 11-1/2" x 17-1/4" OVERALL DOOR SIZE: 10-3/4" x 16-3/8" PANEL THICKNESS: 3/4"
This vent has a security screen on the inside to prevent theft. This is a Non-insulated vent door. The door is painted white, the frame is mill finish (bare) aluminum. This door is mounted hinge down so gravity holds it open.