Pre-filter captures hair, fibre, particles, dander, etc., can be vacuumed and reused. It should be used and disposed of with the High-Efficiency Silver Ion Air Filter.
High-Efficiency Silver Ion Air Filter: 99.7% filtration efficiency for PM0.3. The filter combined with silver ions can effectively kill general virus, bacteria, and mould. The High-Efficiency Silver Ion Air Filter generally needs to be replaced after 6 to 8 months of usage. The product has a smart timer reminder. After 2000 hours of use, you can check if the filter is still clean. A clean filter can be reused for 2000 hours. If the filter becomes grey/black, it needs to be replaced.
Nano-crystalline Filter: Natural non-metallic minerals are used to remove harmful gases, formaldehyde, benzene, VOC, and odour from the air. The Nano-crystalline Filter can be cleaned by exposure to sunlight for 1 to 3 hours every 2 months, then it can be reused. Under normal usage, it can be used for one year before it needs to be replaced.