Do it Air Conditioner Cover, 18 x 27 x 16 in. is designed to protect your window air conditioner units from harsh outdoor elements such as rain, snow, and sleet. This durable cover helps prevent damage and reduces uncomfortable drafts and heat loss, ensuring your unit stays in optimal condition during the off-season. Made from heavy-gauge plasticized fabric, it resists cracking and mildew, providing long-lasting protection. The cover features an elasticized edge for a tight, secure fit on units up to 10,000 BTU. Its gray rectangular design measures 18 inches high, 27 inches wide, and 16 inches deep, with a thickness of 6 mil, making it an i choice for safeguarding your air conditioner. Model Number: AC2HDI