1 Keurig My K-Cup Replacement Coffee Filter Set fits B30 B40 B50 B60 B70 series + 2 Keurig Water Filter Cartridges You will receive 1 K-Cup Coffee Filter Set + 2 Keurig Water Filter Cartridges! For use with Keurig K-Cup brewers Fits in the brew chamber of a Keurig brewer. Each 3-piece set includes one mesh filter basket, one gray color holder and lid. Each set is in individually sealed pouch with instruction label attached. Reusable design allows you to make your own favorite ground coffee. This Keurig Water Filter Cartridge Refill pack includes two replacement filters for your Keurig Water Filter Starter Kit accessory (sold separately). Simply place a cartridge into the Water Filter Assembly and insert into your water reservoir. For best results, replace your water filter cartridge every 2 months or 60 tank refills. For use exclusively with Keurig Single Cup Reservoir Brewing Systems purchased after August 2007. This is not compatible with the Mini Brewing System, Mini Plus Brewing System, the B145 OfficePRO Brewing System, or the Rivo System.