This water filter is designed for use with Keurig B150, B150P, K150, K150P, B155, K155, K3000, K3000SE, B3000, B3000SE, K3500, and K4000 Keurig model brewers. Removes chlorine and improves taste and odor. Includes scale inhibitor to prevent scale from forming and extends the life of the coffee machine. Replaces the older type Q5486, KQ8, and KQ8A filters. Made in USA.