NEPA

Air filters, air filters for medical and non-medical uses, air filters for purifying clean room and pharmaceutical manufacturing applications, air filters that reduce microbiological contamination, air filters for use in air purification for commercial, domestic and industrial uses, air filters for cleaning and/or purifying air in buildings, offices, rooms, and vehicles, namely, aircraft and confined spaces, air filters for use in micro-electronics applications, and air filters for use in nano-processing applications