Air Conditioner Covers for Inside 21"W x 15"H x 3.5"D, Windproof and Waterproof 3 Layers Insulation Window Air Conditioner Cover with Aluminum Foil and 2mm Foam, Beige

Description

❄️ Seal the chill, save the thrill!

This indoor air conditioner cover features a robust three-layer insulation system combining waterproof Oxford fabric, 2mm thick pearl cotton foam, and reflective aluminum foil to block drafts and reduce heat loss. Sized to fit most window AC units measuring up to 21"W x 15"H x 3.5"D, it installs easily with secure hook-and-loop fasteners and includes dual closable cord holes to prevent cold air infiltration, helping you cut winter heating costs efficiently.