The LG Stamped Aluminum Rear Air Conditioner Grille for 26 in. Wall Sleeves is an optional accessory to the LG AXSVA1 wall sleeve for through-the wall air conditioners. This aluminum rear AC grille is generally used to prevent damage to the back outer coils of the air conditioner and for keeping birds and small animals from nesting in the wall sleeve. The rear grille comes with a silver metallic coloration that blends well with any kind of exterior decor. The AC grille measures 15.5 inches high by 25.9 inches wide, perfectly fitting 26 inch LG wall sleeves.