Filter Grilles


Custom return air filter grilles are available in any pattern or size, for wall, ceiling and floor. Please call for floor applications. Wall and ceiling products are cut from 3/16″ metal.

Overall dimensions: Standard frame width & height are 3″ greater than duct opening size. Flush mount frame width & height are 3.5″ greater than duct opening size. The flush-mount frame is designed to be installed before drywall; Finished wall thickness should be 3/4″.

Each filter grille includes a 1″ washable MERV 8 rated filter. For other options, see filter element information below.

Our filter grilles have an interior filter box measurement 1/2” smaller than the listed dimensions. If you plan on using a third party filter please ensure it will fit. We have the ability to customize the dimensions to fit your particular filter.

Filter grilles are made to order and require approximately 4-6 weeks to manufacture. Please contact us for a delivery estimate if your order is urgent. Please note: Expedited shipping applies only to transit time, not manufacturing time.