Replacement for Honeywell FC100A1045- 21.5x27.5, MERV 11 (Actual Dimensions - 21 1/2" X 27 1/2" X 4-3/8"). In affordable alternative to the factory original filters, these high quality filters capture and hold pollutants inside the filter, allowing clean air to flow freely through the system. FEATURES: Aftermarket product, designed to replace the original FC100A1045 Moisture resistant frame remains sturdy even in high humidity Rust resistant galvanized wire downstream gives the filter rigidity and holds media in place after installation Built-in support fingers hold pleats in place and allow for maximum dust holding For optimum system performance, replace the filter every six months MERV 11 rating means the filter attracts common large household allergens like dust, pollen, and mold spores as well as smaller particulate Fits Honeywell Series: F27F Replaces: 207583

Repl Media FC100A1045- 21.5x27.5 MERV-11 2PK - B00LVHFM0E