With BWT bestprotect you can specifically optimize raw water for applications in the catering industry. This filter system ensures balanced mineralization and a consistently high pH value in the filtrate. Important factors that minimize the risk of corrosion. Hardness-causing calcium ions are safely reduced and the formation or buildup of lime and gypsum in raw water containing carbonates or sulfates is prevented. Insoluble or difficult-to-remove deposits in machines are now a thing of the past. Check valves in the Besthead FLEX filter head prevent the backflow of water and protect against uncontrolled water escape. BWT bestprotect food-grade filter systems are pressure-resistant and safe. They can be operated on any drinking water system worldwide.