Comparison between Philips Butterfly 2 AC4081/21 68-Watt vs Winix U450 Super Quality 110 Watt Air Purifier. The comparision between these Air Purifier is based on Quick Specs, Basic Information, Features, Technical Specifications and Other Basic Features. Also see Price Comparision between Philips Butterfly 2 AC4081/21 68-Watt vs Winix U450 Super Quality 110 Watt Air Purifier
|Air Flow Level||N/A||N/A|
|Number of Speed Settings||5||N/A|
|Model name||Butterfly 2 AC4081/21 68-Watt||U450 Super Quality 110 Watt|
|Filter Type||Integrated Multicare Filter||Pre Filter, HEPA Filter and Advanced Odor Control Washable Carbon Filter|
|Features||VitaShield IPS (Intelligent Purification System) Technology and nanocloud humidification technology||PlasmaWave Technology and 3 Stage Filteration process|
|Dimensions||N/A||22 x 44 x 65|
|Clean Air Delivery Rate / Air Flow Rate||223||N/A|
|Indicators||Air Quality indicator,||N/A|
|Air Quality Sensor||Yes||N/A|
|Tempertature and Humidity Sensor||Yes||N/A|
|Filter Change Alert||Yes||N/A|
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