Cleanse your home of nasty pollutants, allergens and other respiratory stress triggers and keep the air cleaner and fresher for longer by regularly replacing the filter in your SmarterHome Purifier & Humidifier Air Washer 2S+ with H13 Filter. H13 HEPA filter captures up to 99.95% of airborne particles Regularly replace your filter every 6 months Compatible with the Kogan SmarterHome Purifier & Humidifier Air Washer 2S+ with H13 Filter (130 CADR) Keep your two-in-one purifier and humidifier performing at its best and send allergies packing with the Replacement H13 HEPA Filter for Smart Purifier 2S/2S+ which works to trap dust, pollen and other nasty particles so you can breathe easier.