Ritz Camera offers the refurbished Winix Washable PlasmaWave True HEPA Air Cleaner, model no. WAC5500, for $119.99 with free shipping. That's $20 under our March mention of a new unit and $50 below the lowest total price we could find for a new one today. It features a washable true-HEPA filter, 3-stage filtration, PlasmaWave technology, and a clean air delivery rate of up to 350 sq. ft.
No warranty information is provided.