BioClean™ Non-sterile DB Pouch-style Face mask BDBNDESCRIPTION Reduced contamination risk: The BioClean BDBN Non sterile DB Pouch style Face Mask features high bacterial and particle filtration efficiency, providing superior product protection Increased comfort: This cleanroom face mask has a large breathing chamber that provides added comfort, especially for prolonged wear Added protection: In addition, the BioClean BDBN Non sterile DB Pouch style Face Mask has ultrasonically sealed edges, which