Standard Mask Filter Inserts (10-pack)

Our standard mask filter insert is up to 60% efficient at filtering out particles at 0.3μm. Coming in a pack of ten, they fit perfectly inside exceed reusable masks, or can be cut to size for any mask with a filter pocket. Suitable for daily use with a reusable mask. For maximum protection, we recommend that you dispose of the filter after every use.

Size: 4" x 6"

To use, insert into the filter pocket of your reusable washable cotton/fabric mask, with the green stripes facing away from you.