This PureZone 3-In-1 True HEPA Air Purifier is normally $100, but drops to $54 with $5 shipping at Meh. This is the lowest price we could find for one $19 after adding shipping. These air purifiers use a three stage filter and UV C light to trap allergens and sanitize your air. They have three fan speeds and can be used in rooms measuring up to 200 square feet. This deal is for today only and there is no sales tax (except CA and TX).