Impurities such as sand, rust flakes, lime deposits and coarse material can damage the water distribution line and household appliances (pipes, valves, mixers, faucets, washing machines, etc.). Designed for mains and rain water applications. The installation of a protection filter is the most simple and efficient alternative to avoid such problems. Puretec IAB50 is an automatic self-cleaning filter, robust and compact, with brushing system for the cleaning of the cartridge and discharge valve for dirt.