Filter element, filter cartridge for use in a breathing mask, breathing mask, and method for producing a filter element

摘要

"FILTER ELEMENT, FILTER CARTRIDGE FOR USE IN A RESPIRATORY MASK, RESPIRATORY MASK, AND METHOD FOR PRODUCING A FILTER ELEMENT". A filter cartridge (5) suitable for attachment to a breathing mask having a housing including an air inlet (27), an air outlet (39) and filter material (17, 19) through which the air to be filtered moves as it passes from the inlet to the outlet. At least part of the housing includes a sheet material (23) which is thermoformed around the sides of the filter material.