FILTLEAF

Air filters for semiconductor manufacturing equipment; air filters for home-use vacuum cleaners; air filters for commercial-use vacuum cleaners

Air filters for medical ventilation systems in medical facilities, namely, operating rooms, and sterile environments

Air filters for commercial air cleaners used in clean rooms; air filters for industrial installations, namely, for use in clean rooms

Air-permeable polytetrafluoroethylene (PTFE) laminated to a woven fabric or felt substrate, for use in the manufacture of air filters; porous polytetrafluoroethylene (PTFE) membrane laminated to woven cloth or felt backing, for use in the manufacture of air filters