Filter Refill 5 Pack
Each pack contains 5 x PM2.5 activated carbon filters with each filter offering five layers of protection. Filters should be replaced regularly (we recommend replacing every 5-7 days under normal use) and more often in dusty environments.
* Suitable for use in all PM2.5 filter pouch face coverings. Not suitable/required for use in our silk collection
Non returnable for hygiene reasons.