Original 21.5" X 27" X 5" MERV 11 Honeywell Filter. (Actual Dimensions - 21 1/2" X 27 1/2" X 4-3/8").
Highly-efficient, synthetic material features extended surface pleats that have a higher dirt-holding capacity than competitive filters. These high quality filters capture and hold pollutants inside the filter, allowing clean air to flow freely through the system.
Fits Honeywell Series:
- Factory original product from Honeywell
- 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