Compatible with All Keu rig 2.0 Brewers such as K Select, K-Classic, K350, K400, K425, K450, K475, K500, K525, K550, K575, K-Cafe, Elite and K-Duo PLUS (ONLY) brewing systems. For Keu rig 2.0 Series brewing systems. for Keu rig 2.0 K50, K300, K325, K350, K360, K375, K400, K425, K450, K460, K475, K500, K525, K550, K560, K575, K600, K625, K650, K660, and K675 series brewers. NOT Compatible With - Keu rig K-Cup, Rivo, Vue or Keu rig 2.0 K200, K225, K250, K260, K275 brewing systems.EASY TO INSTALL Not only does your BPA and DEHP free starter kit improve the quality of your beverages, but it also comes with simple picture instructions that are very easy to install and use. The water filter is specifically designed to utilize the filtration mechanism of the structured micro-mesh layer. Our filters also use ultra-fine particle charcoal for excellent filtration. Environmentally friendly and safe! We're committed to keeping the planet in its best shape, so you can always rely on our products to use the safest, strongest materials that are environmentally friendly and suitable for your equipment! The filter is made of safe and strong eco-friendly material.