Depur Systems Ltd. Continue with their objective to fill a market need for quality depuration and re-ciruclation systems.  Depuration is the process by which bi-valves i.e. mussels, oysters, clams, cockles and scallops purge themselves of bacteria and viruses in a controlled purification process.  Depuration of these bi-valves are a necessity to meet the requirements of the Food Standard Agencies.