10 Adult PM2.5 Activated Carbon 5 Layer Face Mask Replacement Filters

Description

5 Layer Filter Activated carbon Filter
Easy to use: just put it in the PM2.5 filter opening. 1. Filter insert can not be cleaned and should be replaced every week. 2. When film or sticky sediment stains emerge, please replace the filter
The filter can be used for 48 – 72 hours on average depending on the level of pollution it is used in.
No returns will be accepted on this item. But please message me if you have any questions.
Each sale is a lot of 10 pcs (5packs)