Honeywell 16x25x4 FC100A1029 Reusable Filter Frame System Kit - Includes Lifetime Reusable Frame MODEL # RFFS 805 and 6 Replacement Filters PART # PP-805 MERV 11Replaces Honeywell 16x25x4 FC100A1029 Furnace Filter Actual Size : 15 15 16" x 24 7 8" x 4 3 8" Replacement Pleat Packs PART # PP 805 MERV 11 is for use with Model # RFFS 805 Reusable Filter Frame System is Listed Below. Kit Includes Lifetime Reusable Frame MODEL # RFFS 805 and 6 Replacement Filters PART # PP 805 MERV 11. One Replacement Filter lasts Up to 6 Months. Reusable Frame System saves up to 90% of Storage Space and up to 90% Volume of