Universal Fit (NOT Cuisinart)These Keurig compatible filters will fit Keurig coffee makers, including Keurig 2.0 machines as well as Keurig Single Cup Reservoir Brewing and any of the following machinces: Elite,Classic, Ultra, Special Edition, Ultimate, Platinum, B40, and B70. WILL NOT FIT "KEURIG-CUISINART".^ Micromesh MaterialEnsures the charcoal stays in the filter and does not clog up your Keurig coffee maker.^ Improves Beverage FlavorRemoving impurities, calcium, chlorine, and odors with activated charcoal filters creates the best-tasting beverages.^ Eco-Friendly PackagingWe ship your Keurig compatible filter replacements not in a bulky box, but individually sealed with minimal packaging.^ Fine-Grain CharcoalFiner charcoal granules increase the surface area exposure to water and maximize the effective filtration.^