4 HIGH PERFORMANCE FILTRETE FILTER - Captures 97% of large airborne allergens, such as pollen, mold spores and dust mite debris. Robust fram construction enhances quailty and ensures high durability at the shelf. Lasts up to 12 months. The simple replacement solution for whole hose air cleaner filters. Frame filter construction easily replaces Aprilaire¨/Space-Guard¨ 2200 & 2250 collapsible filter systems without time-consuming assembly.
From the Manufacturer
Filtrete Allergen Reduction 4-Inch filters for media air cleaners in a convenient 4-Pack.