14x25 Nominal Upflow/Horizontal Furnace Filter Base; Holds 1", 2" & 4" standard size filters.EZ-1425S $151.72 SKU: EZ-1425S Back $151.72 Quantity -+ Add to Cart Details 14x25 Nominal Upflow/Horizontal Furnace Filter Base; Holds 1", 2" & 4" standard size filters. DetailsBackDetails14x25 Nominal Upflow/Horizontal Furnace Filter Base; Holds 1", 2" & 4" standard size filters.See MoreSee Less