Everyday Replacement Charcoal Water Filters for Keurig Coffee Machines Product DescriptionSet of 12 replacement water filters for Keurig brand machines. Simply place a cartridge into the water filter assembly and insert into your water reservoir. For use exclusively with the following Keurig brewers purchased after August 2007: Elite, classic, Ultra, special edition, ultimate, select and platinum. Product Futures✔ Premium Charcoal Water filters - Set of 12 Filters. Filter size: 2-1/8' x 1-1/4' x 1-3/8'. Each filter individually sealed in bag to ensure brand new quality. ✔ FDA and ROHS standard certified✔ Filters proves to remove impurities: chlorine, calcium, bad tastes and odors.✔ Use finer granular activated charcoal to enhance the filtering process for better taste. With 25-30% more activated charcoal inside for longer use compared with the other generic brand. Suggested replacement after 60 days, more often if you have hard water✔ Fit Keurig 2.0 and these models purchased after August 2007 Elite,Classic, Ultra, Special Edition, Ultimate, Platinum, B40, and B70. Thank you for choosing our product!