Cartridges are used in a number of different restaurant equipment systems from water and air filtration to flavor cartridges to coffee and condiment cartridges. A cartridge is a prefabricated subassembly that can be easily installed in or removed from a larger mechanism or replaced with another interchangeable subassembly.
A guard is a device designed or fitted to prevent injury or damage. Guards in commercial foodservice equipment may include fan guards, splash guards, bread guards, lamp/bulb guards,sneeze guards, kinfe/blade guards and many others.