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: Shown in picture with model. Straps are adjustable and this size offers wide coverage.
LARGE: When in doubt, choose Large since it can adjust down to fit. About an inch more in coverage all around.
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