feature | Advanced ceiling mount cassette air purifier for indoor spaces up to 850 to 1000 square feet with 800 cubic meter per hour air flowMulti-stage, high performance air filtration technology with HEPA, aluminium static filter, photo catalyst, activated carbon, UV light and negative ion generatorUltra-quiet at sub less than 55 decibels, pure zone 1001 has pollution sensors which enable operation in advanced air sensor modeCapable of removing smoke, dust (fine and gross), pollen, air-borne bacteria, v |