Replacement of Air Purifying Filter1.Open the lnlet Grille2.Detach the standard air filter3.Detach old Air Purifying FilterDetach old Air Purifying Filter4.Attach old Air Purifying Filter5.Attach the standard air filter(Necessary installation)6.Close the Inlet GrilleClose the Grille surelyOpen the inlet grille by pushing each ends ofthe inlet grille upward.(use thumbs to pushup)Slide the knob slightly upward to release thefilter, then withdraw it.Put air purifying filter appliances into theright and left filter frames .Maintenance23NOTE:The air purifying filter of the bacteria-killing medium and the electrostatic airpurifying filter accessories with machine will be used based on real situation.The green aspect of the bacteria-killing medium air purifying filter will face outside,the white aspect will face to the machine. and the white side of the electrostatic airpurifying filter will face outside.The bacteria-killing medium air purifying filter is available for a long time andneedn't to be changed. But it must be noticed to use the vacuum cleaner frequentlyto adsorb the dusts covering the purifying filter lest the covering dusts effect thefunction of the bacteria-killing medium air purifying filter. (It is strictly prohibited forthe bacteria-killing medium air purifying filter to be washed)