Elima-Draft Universal Insulated Magnetic Register/Vent Cover for HVAC Aluminum Registers/Vents Fits: 3 Sizes in 1 ELMDFTAIO4370 - The Home Depot

By not covering up your HVAC registers and vents, it
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.
Elima-Draft Residential Insulated Magnetic Vent Covers For Aluminum and Steel Vents Come In Multiple Sizes.

Elima-Draft 11x11 Insulated Magnetic HVAC Vent Cover For ALUMINUM Vents - Staircase Fittings

Elima-Draft 4-in-1 Insulated Magnetic Register/Vent Cover in White ELMDFT4X1A3402 - The Home Depot

Elima Draft Insulated Magnetic Vent Covers

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

Elima-Draft 13 in. x 13 in. Insulated Magnetic Register/Vent Cover for HVAC Aluminum Registers/Vents ELMDFT13A3303 - The Home Depot

Elima-Draft Air Deflectors at

Elima-Draft® 13x13 Insulated Magnetic HVAC Vent Cover for Aluminum Vents - Staircase Fittings

Elima-Draft® 13x13 Insulated Magnetic HVAC Vent Cover for Aluminum Vents - Staircase Fittings

Elima-Draft Universal HVAC Insulated Bubble Foil Return Vent Cover ELMDFTRB3433 - The Home Depot

AC Draftshield 14 in. x 14 in. Vent Cover CA1414 - The Home Depot

Elima-Draft 13 in. x 13 in. Insulated Magnetic Register/Vent Cover for HVAC Aluminum Registers/Vents ELMDFT13A3303 - The Home Depot