Sells on Amazon for $60. 【Efficient Three-Stage Filtration System】 PARTU Air Purifier features a three-stage filtration system. This comprises a pre-filter, a HEPA filter and an activated carbon filter, powerful enough to clear up pollen, smoke, odor, pet dander, filters particles as small as 0.3 microns and air pollution of PM 2.5. Anion neutralize pollutants such as dust in the air. 【Alternative Iridescent Night Light】 The alternative lights are very mood enhancing. It can act as night lights if you have you air purifier on at night. And you can choose and keep one color you like most. If no need the light, just press light button for 3 seconds to turn off. 【Ultra-Silent 3 Fan Speeds Setting】Partu air purifier with true hepa filter Noise Level-25-48dB, even on the highest setting, the "noise" can be qualified as static background noise, will not distrub you during work, study and sleep. 3 different levels fan speeds can be selected according to the actual air quality and space for energy saving. 【Good Price For Good Quality】 Many customer are very surprise by the performance of this less than $90 PARTU air purifier. CADR rated 104m3 /hr; Most effective area 160 sq.ft/ 15 m2. 35 Watts; 0.4A; The unit is a good size for putting almost anywhere. (A voltage converter is needed if you want to use this air purifier beyond the US.) 【Important First Use Tip】The replacement filter should be replaced every 3-6 months depending on the air quality in your area and use of the air purifiers to ensure best results. Filter changement indicator can also help to remind that. Easily obtainable under 25 dollars with the replacement filter (Search for: B07GJHDCKJ). Note: please remove the plastic bag of the HEPA filter and charcoal filter before running the air purifier.