Help protect you and your family from nasty pollutants, allergens and other respiratory stress triggers by regularly replacing the filter in your SmarterHome 5-Stage Air Purifier 4S. 5-Stage air purification with pre-filter, H13 HEPA, activated carbon filter and ioniser Captures up to 99.95% of airborne particles Activated carbon helps eliminate gases, smog and odours Regularly replace your filter every 6 months Compatible with the Kogan SmarterHome 5-Stage Air Purifier 4S with H13 Filter (400 CADR)r Breathe easier with 5-stage purification Send allergies and respiratory stress triggers packing using five-stage purification technology. 1. Pre-filter works to capture large suspended particles such as hair and dust 2. H13 HEPA Filter filtrates 99.95% of particles as small as 0.1 microns, including pollen, smoke and PM2.5 3. Activated carbon filter assists in absorbing odours, Benzene, Formaldehyde and VOCs 4. Anti-bacteria filter helps remove particulates and harmful irritants from the air, purifying it before recirculating it into the room 5. Ioniser helps neutralise pollutants and viruses using positive and negative ions and hydroxyls