Do it Air Conditioner Cover, 18 x 27 x 22 in. is designed to protect your outdoor window air conditioner units from the harsh effects of rain, snow, and sleet. This cover helps reduce uncomfortable drafts and heat loss, ensuring your unit stays efficient and well-maintained throughout the seasons. Crafted from heavy-gauge plasticized fabric, it resists cracking and mildew, providing long-lasting durability. The elasticized design a tight, secure fit to keep the cover firmly in place. I for air conditioners ranging from 10,000 to 15,000 BTU, this gray, rectangular cover measures 18 inches high by 27 inches wide and 22 inches deep, with a thickness of 6 mil. It comes packaged in a convenient bag for easy storage when not in use. Model Number: AC3HDI