Elima-Draft 11 in. x 11 in. Insulated Magnetic Register/Vent Cover for HVAC Aluminum Registers/Vents

By not covering up your HVAC registers and vents, it's like leaving windows and doors open. Our insulated magnetic covers create a barrier around ceiling and wall registers eliminating heat loss and cold drafts during the winter when your Central Air Conditioner is not in use. If you want to reduce energy costs and feel more comfortable then this product is for you.|Energy savings|Save up to 10% annually on heating bills|Eliminates cold drafts|ABS plastic|Re-usable|Re-direct airflow from room to room|Cover is 3/16" thick|Magnetically attaches, no tools required