Product details:

Faceplate dimensions measure 19 13/16 x 25 13/16. The approximate thickness of the faceplate is 3/16 inch and drops into the hole opening approximately 3/4 inch. 18x24 floor grille is constructed with a sturdy, heavy gauge steel. The cold air return cover has a smooth surface with a medium tan finish to blend into a variety of color schemes or decors. The smooth surface of this floor vent cover has an air flow free area averaging 75%. This floor grille has a frame that will withstand heavy foot traffic, even if installed in commercial settings. Installing this cold air return cover is easy. Place grille into 18 x 24 floor opening. Surrounding lip will help to hold the vent cover in place. Stylish, functional, and easy to install.