As one of its daily deals, Target offers the Light Air IonFlow 50 Surface Air Purifier in Clear/Grey for $218 with free shipping. That's the lowest total price we could find by $22, although most merchants charge at least $299. Sales tax is added where applicable. This air purifier is suitable for a room of 500 to 800 square feet and features an air ionizer, washable filter, one-touch operation, dust collection, and more. Deal ends today.