Nispira 3-in-1 premium filter replacement compatible with Zigma Smart and Original air purifier Aerio-300 High quality True HEPA filter capture 99.97% of airborne particles down to 0.3 microns. Activated charcoal captures any harmful VOC chemical to bring you peace of mind for the indoor air Preliminary carbon pre filter deodorizes the unfavorable household smell such as smoke from cigarette, cooking smell, pet smell. It also helps extend HEPA filter life span by preventing hair, dust and debris from entering the filter and the device 1 filter will be included. Suggest replacing the HEPA filter every 6 months for best result. Dimension: 13.75" x 11.5" x 1.5"
