Water Filter Kit For Keurig K Cup K45 K40 Elite New Filter Holder Comes with the filter holder and 1 new charcoal filter Compatible with the 1.0 brewer models by Keurig for single serve K-Cup pods Tested and manufactured with high grade materials for the best performance Lifetime assistance provided by the merchant This simple filtration kit fits right inside your brewer water reservoir. Each kit includes one filter assembly and one filter cartridges.