Item Name: Sublimation Replaceable Filter for BKZ03S Kids Face Mask (2pcs/pack)
Item No.: BKZ03-LXKD
Weight: 3.75kg
Packing: 2pcs/pack, 1000packs/ctn
Dimension: 440*330*320mm

Made of activated carbon and non-woven melt-blown filter cloth, 5 layers filter system effectively keep away from PM2.5 and a range of airborne contaminants.
Filter for BKZ03S Kids Face Mask, 2-3 days for frequently use, 5-7days for Occasionally use.
Filter Size: 7*10cm

NOT washable!