Universal purpose - compatible with all Keurig 1.0, Keurig 2.0 and Breville coffee machines. Including all old Keurig coffee machines produced after 2007: Keurig single cup reservoir brewing, k-duo, elite, classic, ultra, special edition, ultimate, platinum, K40, K45, K50, K55, K70, K200, k250, k400, k475, k575, bwf100, etc- Note: not suitable compatible with Cuisinart.Fine charcoal filtration - high quality organic activated carbon particles are designed to increase contact with water and maximize filtration and purification efficiency. The replacement parts of the water filter are made of high-quality charcoal, which can purify the harmful pollutants in the tap water.The precisely designed filter elements microgrid material prevents activated carbon from escaping and blocking compatible with the Keurig coffee machine.Improve the taste of coffee - activated carbon is specially used to improve the drinking taste of beverages by removing impurities such as calcium, chlorine, sediment and other odors, so as to create a purer and irresistible best taste coffee while retaining all minerals needed by the body.Easy to change: easy to change and start enjoying a cup of fresh and delicious coffee.colour: as shownMaterial: Fiber + activated carbonPackage Contents:12 x coffee machine filter elementsOnly 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.