The FZ-2 Replacement Filter Cartridge is specifically designed for use with MP99 and MK99 models. Made of PP and carbon materials, this cartridge has a capacity of 1600 gallons and utilizes sedimentation purification method. With an undersink quick change filtration system, this cartridge is easy to install and maintain. The product dimensions are 10.6 inches in length, 2.75 inches in width, and 2.75 inches in height, making it compatible with various kitchen setups. The Frizzlife brand ensures quality and reliability in water filtration.