24x24 Nominal Upflow/Horizontal Furnace Filter Base; Holds 1", 2" standard size filters.EZ-2424 $160.00 SKU: EZ-2424 Back $160.00 Quantity -+ Add to Cart Details 24x24 Nominal Upflow/Horizontal Furnace Filter Base; Holds 1", 2" standard size filters. DetailsBackDetails24x24 Nominal Upflow/Horizontal Furnace Filter Base; Holds 1", 2" standard size filters.See MoreSee Less