Hi! Since I will be moving soon, I am looking to sell my Blueair Hepa air purifiers (303 and 203 bought this year, 601 bought two years ago). I have a 601, 303 and a 203 model, with about 4 months left of Smokestop filters (the 601 comes with a brand new set). All are in great condition and function perfectly. The 601 covers between 65-72sqm. It filters out dust, particle, smell, gas and PM (made in Sweden) + new set of filters) The 303 covers between 25-32sqm. It functions on a 4-dial system and filters out smoke, particles and dust. The 203 covers between 22-27sqm. It functions on a 4-dial system and filters out smoke, particles and dust. The purifier includes: - a filter lifespan timer Asking for 4150RMB on the 601 + brand new filters (original price 12980RMB) Asking for 2480RMB on the 303 (original price 4260RMB) Asking for 1980RMB on the 203 (original price 3590RMB)