Light-activated antimicrobial and antiviral materials

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A respirator (10) includes a filter cartridge (12) that has a housing (16) and a bonded sorbent filter element (20). Housing (16) includes a sleeve (32) that has an inner surface (36) and a folded edge (42). The filter element (18) includes a bonded sorbent filter element (20) that is pressed against the sleeve's inner surface (36) and that is held in the sleeve (32) by the folded edge (42).

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