Air cleaner and method of controlling operation thereof

Air cleaner having vanes with a winglike cross-section between a

Air cleaner including an improved airflow path

Air filter system for a vertical air blowing fan

Air filtering device having a toroidaly shaped shroud...

Air filtration device

Air purification apparatus

Air purifier

Air purifier

Air purifier

Air purifier

Air purifier and filter assembly therefor

Air treatment system

Air treatment system

Ceiling-mounted air filtration device

Dehumidifier housing

Fan filter

Filter assembly for air purifier

Filter mounting frame

Filter retainer mechanism for a portable air treatment system