We offer discount for large quantity. Welcome to contact with us! Removes chlorine, odors, calcium, and other water impurities prior to brewing so you can fully enjoy the delicious taste and aroma of brewed coffee. Replace every 30 days, or more often if you have hard water for best results.Specially designed for Keurig coffeemakers, these set of charcoal filter refills will improve your health by improving the water quality and prolonging the lifespan of your machine.Not only will these filters provide way for you to enjoy delicious coffee, but they are also very easy to install. Start enjoying great coffee today by simply using these filters to allow the aroma and fresh-brewed flavors to come through.Type: Coffee machine accessoriesName: Coffee machine filterPurpose: water filtrationScope of application: coffee machineType: EfficientSuitable for Keurig coffee machines: Elite B40, Classic B44, Ultra B50, Special Edition B60, Ultimate B66, Plantinum B70, Plantinum K79 Plus, OfficePRO B155, B40, B45 Elite, B60, B68, B70, B75, B79, B80, B155, K145, K155, K200, K350, K40, K45 Elite, K500, K60, K65, K66, K75.colour:whitematerial:Activated carbonsize:55x32x34mmPackage Contents:12 x filter Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm