Right now at Costco, you can purchase the Winix C555 air cleaner with PlasmaWave technology for $179.99. The regular price is $229.99, so you are saving $50 with this deal!
This air cleaner comes with one washable pre-filter, one HEPA filter with an anti-microbial coating, and one washable advanced odor control carbon filter. It goes through a 5 stage process while it filters the air, and will cover a 360 sq. ft. room. it helps to clear the air of pollen, mold spores, dust, pet dander, microbes and smoke.
Shipping is free. This deal is good through April 27 and can change at any time.