1.[Compatible Model] This water filter is easy to install and replace and fits for all pitchers and dispensers including Grand, Lake, Capri, Wave, Amalfi, Metro, Soho, Marina, Infinity, Pacifica, Stainless Steel, Space Saver, Monterey, Altantis and Ultramax machines. Manufacturer names and part numbers are for reference only. 2.[] The replacement filter is made of natural coconut shell activated carbon with large surface area microporous structure to enhance water quality, ensuring high flow rate and stable filtration, and BPA to ensure the purity and of drinking water. 3.[Premium Multi-Stage Filtering] Our water filter replacement purify water by combining multi-layer filtration technology, effectively blocking dissolved solids, impurities and removing harmful chemicals such as lead, chromium, chlorine, and other harmful chemicals to deliver a pure taste.Warm tips: use the cartridge into the water to soak, take out and then shake for a minute, you can avoid clogging, no water out of the situation. 4.[Environmental Protection] Each pitcher water filter replacement is equivalent to reducing 302 disposable 0.5 liter plastic water bottles, which can treat up to 40 gallons of water, and can be replaced every 2 months (depending on the water quality), realizing both economic savings and environmental protection advantages.