Lenox offers the Dansk Dr. Weil Single-Room Air Purifier for $129.95. Coupon code "DBDC16B" drops it to $84.47. With free shipping, that's $13 under last month's mention, $442 off list, and the lowest total price we've seen. It features a lighted air quality indicator, HEPA filter, and automatic timer with sleep mode. Deal ends January 17.