Finally, a quick and easy solution to unattractive metal A/C grilles. Add the finishing touch to your home by replacing stamped-metal grilles with a beautiful, wood louvered grille. These grilles come with an easy to install metal sleeve that holds a 1" A/C filter and ensures a flush wall mount. And it's eco-friendly, made from New Zealand Pine. The patented design securely locks the grill into the wall without visible screws or latches, eliminates annoying air sounds, and cleans in minutes. Filter NOT included. View Installation Instructions.