... as Whisper mode, with the addition of a built in fan, which increases air circulation. 3. Easy clean filter. The permanent ... as Whisper mode, with the addition of a built in fan, which increases air circulation.CLEANING INSTRUCTIONS: After extended use of ... .minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Ionic Whisper Air Purifier & Ionizer,Air Cleaner