The 3M HEPA Respirator is for use with fingerprint powders, hazardous evidence collection, and processing chemicals such as Cyanoacrylate and Ninhydrin. This is a reusable mask which accommodates a pair of quick-release filters. This mask fits over the nose and under the chin, and provides high efficiency protection when combined with the filters provided below. These respirators are designed for longer duration wear, and each mask can be sanitized and reused. Respirators reduce, but do not eliminate exposure to chemical or biological agents. Requires one pair of disposable filters, provided separately. Level of respiratory protection is dependent upon filter selection.