Thumb Score: +19 Amazon has Winix 5500-2 PlasmaWave Air Purifier w/ Carbon Filter for $149.99. Shipping is free. Thanks gusman1188 Deal Editor's Notes & Price Research: [LIST][*]This air purifier features a washable AOCTM carbon filter, made from activated carbon granulars for removal of household odors. The True-HEPA filter captures 99.97% of airborne pollutants and is rated for spaces up to 360 sq.