Custom Fit & Compatibility: Specially designed for U-shaped window air conditioners, this AC cover fits most U-shaped outside units models, including sizes up 8000BTU, 10000BTU and12000 BTU, providing a snug, secure fit. Breathable Mesh Design: Our window ac covers is made of premium quality Polyester and safe for temperature -40-140 ℃, more sturdy, reusable and washable. The breathable mesh design allows maximum airflow for uninterrupted AC operation while blocking external contaminants, keeping the unit running efficiently. Enhanced Outdoor Protection: Protects your outdoor window air conditioner from leaves, debris, , rain, and UV damage, reducing maintenance needs and extending the unit's lifespan, built to endure harsh outdoor conditions. reducing maintenance needs and extending the AC unit's lifespan. Easy Install: The window ac cover is easy to install, no tools are needed, designed for U-shaped window machines, and set from top to bottom. The cover fit the outside window unit