Activated carbon filter insert
activated carbon felt from Anthracite is the purest cloth . For use near face and nose. Felt cannot be sat on or washed. Felt has no additives to bind carbon together. Activated carbon felt is encased in 6 layers of cotton filter cloth to keep carbon particles from leaving felt.
filters must be disposed of if carbon particles start to fall through
filters can last up to 3-6months depending on how much it is used.
Air out in sun and fresh air to reactivate carbon
Do not wet
Do not wash