Coolnut 18" 5" Inch Two-Sided Door Air Vent Cover for Interior Doors Furniture Ventilation Register for Bathroom, Bedroom, Garage

PRECISE : Made for 18.11" 4.72" openings. Grille overall thickness is 1.41". Door thickness needs 1.58", the included screws are 1.57" in length. Screw diameter is 0.23". Constructed of plastic for , wear resistance and overall improvement. Room door, cabinet door, supply and air return vent cover . Grille that can be installed in bathroom, toilet, bedroom, or storeroom doors and furniture. Suitable for plastic, wooden, or metal doors. The air vent deflector can also be mounted window sills for proper radiator distribution. Enables free air between rooms. Very to install, using screws or adhesive. Installation takes about 15 minutes. SCREWS ARE INCLUDED. The grille prevents the door from slamming when the heating or air conditioning is and it stops and moisture buildup. It is double-sided protective grille that dirt and other debris while allowing free airflow.