ขาย Intelligent electric mask for go to school children's electronic mask dust respirator valve mask anti-smog mask【Weer】 QA ราคาที่ดีที่สุด

"Description: 1. How long will each filter last? - change the use time of the filter screen according to the local air pollution level, whether it should be replaced once in 5-7 days for severe pollution, once in 10-15 days for moderate pollution, and once in 20-30 days for mild pollution 2. Washable? - the shell surface can be cleaned with dry cleaning agent or alcohol. The silicone cover can be directly removed and cleaned with water, alcohol or boiling water 3. KN90 or KN95 for children's masks? - choose KN90 better, the reason is that children's lung capacity is smaller than adults wearing KN95 mask will be more stuffy, affect breathing, and adults wearing KN95 mask will also feel stuffy, worried that children will not be able to stand Specifications: Model: HA - 802 Function: prevent PM2.5, smog, smoke, dust and allergy Power mode: USB Use environment: household Control mode: induction button Applicable area: under 10㎡ Filter type: composite filter How it works: HEPA technology Color: yellow, blue Nose clip: yes Series: children mask series Filtering effect: 99.97% Package Included: 1* filter element, 1* main engine, 1* charging line, 1* manual, 1* qualification certificate"