Replacements filters are available at https://bit.ly/3euUHnz

Filter Instructional video is found at https://bit.ly/2VgK4gx

TO STERILIZE THE MASK AND FILTERS

Recommend removing the activated carbon and 1-micron material and briefly soaking/agitate
the mask in a solution of rubbing alcohol and water.
Highly recommend air drying afterward.

NO NEED TO PUT IN A WASHING MACHINE

The white material filters down to 1-micron of particulate and is reusable if cleaned.
Recommended cleaning method is rubbing alcohol to sanitize, left to air dry afterward.

Another recommendation is hand washing the mask and 1 micron filter with soap and cool water allowing to air dry.

The black filter is activated carbon.
No required method of cleaning the activated carbon besides an ultraviolet sanitizing light.
The activated carbon can be used 3-4 weeks.