LG Stamped Aluminum Rear Grille Compatibility: This rear grille is compatible with wall air conditioners with wall sleeves measuring 26 inches Protects Against Intruders: This rear grille protects against unwanted intruders, such as birds and other small animals, that may nest in the wall sleeve; This prevents safety concerns and problems to the air conditioner air flow Prevents Damage to the Back Outer Coils: As your ac operates, it generates heat, which is expelled through the condenser coils located in the back of the air conditioner; The rear grille acts as a protector, shielding the coils from possible impacts Sleek Design: Constructed from high-quality stamped aluminum, the LG AXRGALA01 Stamped Aluminum Rear Grille is not only durable but also aesthetically pleasing; It seamlessly blends with the exterior of the wall sleeve Aluminum Rear Grille Dimensions: Width: 25.9"; Height: 15.5"; Overall Weight: 3.5 pounds; This grille is designed to fit 26-inch wall sleeves for wall ac units