The Novalok “Duoguard” shelving system is designed specifically for Hospitals and laboratories. Novalok Duoguard Shelving is perfect for sterile storage, bulk stores and theatres. The Novex plastic shelf insert is the heart of the Duoguard system. With its smooth rounded surface, and no sharp edges there is nothing to damage the delicate sterile wraps. Also able to be put through the autoclave sterilization process.