To reduce the impact on the amount of wind filter blockage, usually early effect of the filter washed once a month, the early effect of the filter can be removed or put in the tap directly hosed; PM2.5 burst for Beijing, Tianjin and other places air Fact sheet, often a week off, the early effect of the filter has trapped a lot of large particles clothing fibers fluff, etc. Therefore, a week off, you can clean up, monthly cleaning faucet wait a week at home with a small vacuum cleaner, then wipe direct vacuuming the early effect of the filter can be.

For the general public to taste, in addition to the requirements of harmful gas formaldehyde, home air purifier unified FFU equipped with activated carbon filters, activated carbon in addition to formaldehyde adsorption using mainly his function, and when the suction force is saturated, it will release a small amount into the air secondary pollutants, therefore, the manufacturer recommends that you every 6 months Removing the activated carbon filter and dry in the sun.

For high efficiency filter and a length of 8-12 months of normal use, for some highly polluted areas, the manufacturer recommends that you check once every six months, high efficiency filters, HEPA filters purchasing new front and back are white, with the use of time increases, the filter will gradually turn black suction side, if suction filter surface into a dark brown, it proves that you change the high efficiency filter, then contact the manufacturer to the original purchase.