Pack of 100 PM 2.5 activated carbon filters for adults, replaceable anti-fog face filter

General Description: This pack of 100 PM 2.5 activated carbon filters for adults is designed for use with your fabric cover. It is recommended to replace at least one filter per day to ensure health and safety.

Technical Specifications: Filter size: approximately 12 x 8 cm; Material: activated carbon and meltblown non-woven filter fabric; Filtration system: 5 layers; Usage: Easy to use: simply place the filter in the designated opening. The filter insert is not washable and must be replaced daily. If film-forming or sticky deposits appear, replace the filter.