Epsilon H13 HEPA Replacement Filter for AIRP-18 Air Purifier | Advanced Filtration for Spaces up to 1095 sq ftEnsure optimal air quality with the Epsilon H13 HEPA Replacement Filter, designed specifically for the AIRP 18 Air Purifier. This advanced filter captures 99. 97% of airborne particles as small as 0. 3 microns, effectively removing dust, allergens, and pollutants. Ideal for spaces up to 1095 sq ft (100 m), it refreshes the air every hour, providing a consistently clean environment for your home or office.