Filtro Compatibile con Ionizzatori Acqua Tipo HG (Non Compatibile con Modelli HGN e
Compatible with HG-type Fit only HG type machine. Compatible with "MW-7000HG" filter; NOT Compatible with "K8" and "HG-N" type Models Sold after Jan 1, 2011 (SD 501 Platinum, SD 501HG-N, etc). You need the HG-N type filter.