Microbicidal air filter

Microbicidal air filter for use with an air passageway, said air filter comprising:

• an immobilization network having substantially impregnated therein an amount of at least one antimicrobial substance sufficient to substantially immobilize, retain and substantially inhibit the growth of microbes suspended in a volume of air moving through said air passageway, said immobilization network being substantially permeable to said air.

Microbicidal facemask comprising:

• first and second air permeable screen elements secured together along respective peripheral edges, said screen elements defining a gap therebetween, said screen elements being configured and sized to fit over the mouth and nose of a user and to be secured thereto;
• an air permeable immobilization network located in and substantially filling said gap, said immobilization network having substantially impregnated therein an amount of at least one antimicrobial substance sufficient to substantially immobilize, retain and kill microbes suspended in a volume of air moving through said network.

Microbicidal facemask comprising:

• first and second air permeable screen elements secured together along respective peripheral edges, said screen elements defining a gap therebetween, said screen elements being configured and sized to fit over the mouth and nose of a user and to be secured thereto;
• an air permeable immobilization network located in and substantially filling said gap, said immobilization network having substantially impregnated therein an amount of at least one antimicrobial substance sufficient to substantially immobilize, retain and substantially inhibit the growth of microbes suspended in a volume of air moving through said network.

Microbicidal air duct filter for use in an air circulation system, said air duct filter comprising:

• first and second air permeable screen elements securable together along respective peripheral edges, said screen elements being configured and sized to fit in an air duct and to be secured therein;
• an air permeable immobilization network located substantially between said first and second screen elements, said immobilization network having substantially impregnated therein an amount of at least one antimicrobial substance sufficient to substantially immobilize, retain and kill microbes suspended in a volume of air moving through said network.

Microbicidal air duct filter for use in an air circulation system, said air duct filter comprising:

• first and second air permeable screen elements securable together along respective peripheral edges, said screen elements being configured and sized to fit in an air duct and to be secured therein;
• an air permeable immobilization network located substantially between said first and second screen elements, said immobilization network having substantially impregnated therein an amount of at least one antimicrobial substance sufficient to substantially immobilize, retain and substantially inhibit the growth of microbes suspended in a volume of air moving through said network.