Made to fit most standard 42" Packaged Terminal Air Conditioners (PTACs). This Silver Matte color extruded Aluminum Metal Architectural grille will improve the exterior appearance of your building and protect the PTAC chassis from wind and rain, prolonging the life of your PTAC. Resin Powder coated paint color is long lasting and durable. It is to be used outside and mounts to back of PTAC wall sleeve. A grille helps to prevent condenser air recirculation as well as keep the interior workings of your system up to par. An Architectural Grille can withstand the weather better than a stampled aluminum grille. Mounting hardware included. Measures 42" W x 16.14"H x 1.18"D Replaces 4120701.