The FDC filters (Calcinata Dolomite Filter), with fully food grade components compliant with the D.M. 174/2004, can be used both for residential use in compliance with the D.M. 25/2012, which for technological use, are used for the neutralization and remineralization of demineralized water or water poor in mineral salts.

They consist of a fiberglass cylinder, filter material compliant with UNI EN 1017: 2008 and a manual multi-way valve in plastic material for the manual control of the filtration and washing phases.