My Fancy Dress Masks Face Mask Filter Insert 2 Pack

A PM2.5 filter offers an alternative way to increase the filtering performance of a cloth mask. The easy-to-use replaceable filters can be inserted in the inside pocket of a cloth mask.

This pack consisting of 2 PM2.5 mask filters (adult mask size).

PM2.5 mask filter is a 5-layer activated carbon filter that can be inserted to cloth masks to improve the filtering performance. These filters are meant to be inserted into the filter pocket of equipped masks to provide extra filtering performance.

Easy to use: insert in the inner pocket of your cloth mask.