--Perfect Compatibility -- According to the coffee brew basket of the original machine, accurate mold opening, this permanent filter truly compatible with Ninja CFP101, Ninja CFP201, CFP300, CFP301(c), CFP305, CFP400 & CFP451 Dualbrew Pro System Coffee maker. --Please confirm the model of the machine before purchasing. This 4 cone coffee filters is only compatible with Ninja CFP series coffee machines, not compatible with other Ninja series coffee machines！ You will get 3* reusable coffee pods and 2* permanent coffee filter compatible with Ninja Dual Brew Coffee Maker to make different flavors of coffee for your family and friends. We strive to provide unmatched customer service and support. If you are not satisfied with our products or have quality problems, please contact us and we will provide kindly service within 48 hours. -- Not Just a Simple Brew -- The new dual brew coffee machines and k cup coffee capsules do not simply extract coffee through water flow. They also provide brewing pressure during brewing, which is crucial in the process of making coffee. The special concave top cover of this coffee capsule for ninja dual brew coffee maker perfectly fits the brewing head of the coffee machine, ensuring that the pressure will not leak, and providing the best coffee experience -- Continuous Improvement -- Not only did we improve the top cover of the coffee capsule, but we even found through experiments that the area of the stainless steel filter screen also affected the brewing experience. The current filter screen area is perfectly balanced with the release speed of water flow, greatly reducing the coffee splash, and will not mess up your coffee machine.