Oxygen Therapy 4000 VS Ultra Thickness: 12.5" Single-Sided The 4000 VS mattress with its Holifiber ticking works with the human body to increase its oxygen levels. Featuring a 6" Polyurethane core topped with 4" Visco memory foam, supported by a Duralife Foundation. 10 Year Warranty PLEASE CHOOSE SIZE, All Prices are for Mattress and Foundation
