What does HEPA mean? HEPA generally refers to efficient air filters.The air purifier is mainly composed of filter element and housing.The basic requirements are high filtration efficiency, low flow resistance and continuous use for a long time to reduce the cost of later consumables.The filter element refers to the air filter,Efficient air filters play a vital role in the air purification industry.Efficient air filters are mainly used to trap 0.Particle dust and various suspended matter below 5um.The filter material is made of ultra-fine glass fiber paper,The coated paper, aluminum film and other materials are divided into plates,Glued to wooden frame aluminum alloy, it is made of special silicone rubber, has no smell, does not harden the surface, does not crack for a long time, and has stable chemical properties,Corrosion resistance,Can absorb the stress generated by thermal expansion and cold contraction without cracking,Moderate soft hardness,Good resilience.Each was tested by sodium flame method,It has th
Do you need to install a front filter for tap water? Hello, the current domestic water quality is poor, and the cost of replacing the ordinary water purifier filter element is relatively high. if the pre-installation can filter the particulate impurities, red worms, rust and sediment in most of the water, so that the water is clearer. If the water is clear, it can extend the life of wading appliances such as water purifiers to a certain extent, so there is still more than it is.