Compatibility: 2.0 and 1.0 series compatible Keurig - K200, K250, K300, K350, K360, K400, K450, K460, K500, K550,K560.And before the model K45, K75 B60, B70, B130, B140, B150, K40, 3, K60,B145, K150, K70, B30, K145, B44, K155, B155, B200, B3000. Features: *100% brand new and high quality *Use this flip top filter to use your own ground coffee in a Keurig coffee maker. *Fill them with your favorite coffee and reuse them many times before they have to be thrown out. *This lowers the cost of each cup and also gives you better brews each time. *Much easier to close the unit. Specifications: * Material:Food Grade Plastic+Food Grade Stainless Steel * Color:Purple,Green,Brown(As Pictures Show) * Diameter:51mm * Bottom Diameter:37mm * Height:47mm * Quantity:1/5Pcs Package Contents: 1 / 2/4/6 * Reusable Coffee Capsule Cup No extra parts or adaptors needed, just fill, place, and brew. Made from high-quality BPA free plastic and durable stainless mesh for brew after brew. Reusable Filter Cup designed and tested for maximum compatibility. See compatibility graphic to find your brewer. Easy to fill, use and clean - top rack Dishwasher Safe