The Urspring and the biofilter prevent microorganisms, particles and nanoparticles, but also dissolved pollutants such as pesticides, drug residues, arsenic and many others from getting into your home's pipe network. Existing biofilms in the pipeline network are greatly reduced in a few weeks. If the Urspring and the biofilter are installed at the point where the water is transferred into your house, then only filtered water will reach every point in your house. If you install the Urspring and the biofilter when building a new house, you prevent contamination of the pipe network from the start.