ValueMassage via eBay offers the Ergonomic Mesh-Backed Office Chair in Black, White, or Red for $39.99 with free shipping. That's $7 under our mention from two weeks ago and the lowest total price we've seen for this model. (It's a current price low by $7 It features arm rests, 360-degree swivel, adjustable height from 19" to 23", and a 250-lb. weight limit. Deal ends February 27 at 11 am ET.