Fourth Element Replacement Filters 20 Pack

A pack of twenty PM 2.5 filters for Fourth Element Face Masks consisting of 5 layers of micro filtration including an active carbon layer to help neutralise toxic air-borne chemicals.

The PM 2.5 filters have a pore size rating of 2.0 microns and provide effective filtration. Filters may be used for up to one week with infrequent use.

NON RETURNABLE ITEM: For reasons of health and hygiene we are unable to exchange or refund this item, unless faulty.

Replacement PM 2.5 filters
Non-woven fabric
Micro filter
Activated carbon layer
Filters particles larger than 2 microns
12cm x 8cm