Innovative devices for a healthy lifetop 6 technologies into one air purifierair ionizerhepa air filtergermicidal uv lightactivated carbon filterprogrammable sanitizeranti bacterial pre filterwith a 71 cfm flow rate the hf300c rapidly yet quietly circulates purified air throughout a room as large as 500 sq ft the built in ionizer and activated carbon air filter remove chemical fumes gases cigarette smoke and odours from the indoor