. . "They are also used in applications such as Ice Machines, Film Processing, Beverage, Coffee, Analytical, Wineries, and many others.Polypropylene Sediment, 4 layer structure nominal micron rating.Reduces fine sediment, sand, silt, rust and scaleSuitable for Municipal and well water Compatible with the following:AquaPure - GRMB10PP1OUBCulligan - HF-360, 155186Everpure - EC110Flotec - RS14GE - 1266690" . . .