The Open Air Merchandiser series conforms to NSF 7 Type II, able to withstand a warmer maximum ambient temperature of 80F - higher than other comparable brands. It comes fully equipped with an array of standard features that other manufacturers charge extra for. Available in vertical and horizontal styles. The line is equipped with Blizzard R290 - the industry's first, all-in-one, slide-out cooling cartridge designed for rapid cooling, safety, and ease of replacement without the need for onsite brazing. Blizzard R290 uses natural, climate-friendly, hydrocarbon refrigerant, an effective alternative to hydrofluorocarbon-based refrigerants that meets the daily energy consumption standards of the U.S. Department of Energy and the Environment Protection Agency. Enjoy significant reduction in energy costs and carbon emissions with more efficient cooling.