What about winter use ? How to keep inside of mask dry ? I work in a mine in British Columbia and have been fitted with the HF 800 series and all we have are the pink filters and the heavier bio filters
Hi there, We appreciate your thoughtful query. Your question deserves the intervention of our product experts. Kindly connect with the 3M Colombia team at s.3m.com/2o7togkw and they will assist you with accurate information. Thank you!
What about winter use ?
How to keep inside of mask dry ? I work in a mine in British Columbia and have been fitted with the HF 800 series and all we have are the pink filters and the heavier bio filters
Hi there,
We appreciate your thoughtful query. Your question deserves the intervention of our product experts. Kindly connect with the 3M Colombia team at s.3m.com/2o7togkw and they will assist you with accurate information.
Thank you!