Made with a multi-layer breathable, non-toxic and sustainable bamboo fabric. Without any additional filters installed, BK Masks are made from a natural bamboo fabric that is washable. It also provides additional protection with its built-in sleeve, designed to fit the 3M® Particulate Filter 5N11.
The following filters are also compatible: 3M® Particulate Filter 5N11 (Part Number: 46464, 3M Product Number: 5N11, 3M ID: 70070614477, UPC 50051138474741)
FILTERS SOLD SEPARATELY
Filters may be removed and the mask may be machine washed. Air dry.
No Returns or Exchanges
Sizing
MEDIUM: Fits most women, kids and some men. Straps are adjustable and this size offers wide coverage.
LARGE: Fits most men and some women or those who wear large headwear. When in doubt, choose Large since it can adjust down to fit. About an inch more in coverage.