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

【Three Layers of Insulation to Block Drafts】Unlike other single-layer covers, the Tohonfoo ac covers for inside uses a three-layer structure: (1) 600D waterproof heavy-duty Oxford fabric, (2) 2mm thickened pearl cotton, and (3) insulated aluminum foil

【How to Determine the Right Size】The inner size of the air conditioner cover indoor is 21"W x 15"H x 3.5"D, compatible with most of window air conditioners indoor AC unit measuring 19"-20.5" x 13"-14.5" x 3"(W x H x D). For best fit, please measure your actual AC unit before ordering

【Secure Hook-and-Loop Fastener Attachment】Our indoor air conditioner cover comes with pre-sewn and adhesive-backed Hook-and-Loop straps for quick and secure attachment to your window air conditioner, creating an airtight seal that blocks drafts

【Cut Winter Energy Costs】This indoor indoor ac cover for window unit effectively blocks cold drafts and minimizes heat transfer during winter months, helping you reduce heating costs. Its insulated design creates a thermal barrier to keep warm air in and cold air out

【Two Closable Cord Holes】Unlike most winter window AC cover with only a single cord port, our design features dual closable cable accesses on both sides to effectively prevent cold air infiltration

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