1, For the filter material: a good filter material (now recognized as a better HEPA high-density filter material) can absorb more than 99 microns of pollutants up to 99.9%. If the indoor dust pollution is heavy, you can choose an air purifier with better dust removal.
2, On the purification power: the room is large, should choose the unit to purify the air purifier. For example, a room of 15 square meters should be selected to purify the air purifier with a volume of 120 cubic meters per hour.
3, The use of life: followed by purification and filtration of the gallbladder tends to be full, the adsorption of the purifier will decline, so consumers should choose a purification filter with regenerative filter (including efficient active catalytic carbon) to extend its life.
4, The room format affects the purification effect: the air purifier has a 360-degree ring-shaped air inlet and outlet, and also has a one-way air inlet and outlet. If the product layout is not restricted by the room format, the ring type inlet and outlet wind plan should be selected product.