Puretec EM2 100 whole house dual rain and mains water filter system 20” is an appropriate choice for providing safe, clean, healthy water throughout the house or the office. Providing maximum filtration with minimal flow restriction this high flow system ensures that your home is free of sludge and sediment and additionally reduces bad taste and odours. Protecting appliances from sediment and sludge build up and extending the service life of ceramic disc tapware. This system does not require power to operate and are easily maintained by simply replacing or cleaning washable filter cartridge.