It can stand alone or be mounted on the wall, seamlessly fitting into your space. MinusA2 HEPA Air Purifier. Adaptable- The MinusA2 is designed to either stand alone or to be mounted on the wall. Thorough- The MinusA2 SPA-780A/N air purifier can filter the air in a 815 sq. ft. room twice an hour on the highest setting with a CADR of 200 Pollen, 193 Dust, 180 Smoke (or 700 sq. ft. with CADR of 171 Pollen, 173 Dust, 166 Smoke for SPA-700A).
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