Montana Mask Filters
Additional filters for the Montana Mask.
Sold in a 5 pack, but you can upgrade to a 10 pack for just $2.50 more.
You can also order multiple ten (10) packs at the same price of $7.50/pack.
These filters are made of a nanowave fiber material and are custom cut to fit the Montana Mask.
When replacing your mask filter, please remove the green fabric backing prior to installation.