20pcs70x30cm Electrostatic Cotton for Mi Air Purifier Pro / 1 / 2 Air Purifier Filter Hepa Filter

packaging contains 20pcs electrostatic cotton (other products only show, not included in the sales content)Electrostatic electret filter using 3D acupuncture process, less wind resistance, cleanability. Effectively extend the filter life of three to five times.The size of the product types of air purifier HEPA filter, applicable to all types of air-conditioning on-hookcar filter. , , , , and so on. Can effectively extend the life of the filter, cheap, really money. General air purifier 2 \/ 1 \/Suitable for: air purifier 2 \/ 1 \/ Other of air purifier, air conditioning dust, central air conditioning inlet, windows, dust, anti-fog, etc.Colour:WhiteMaterial:filter cottonPackage Contents:20 x electrostatic cottonOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.