This Aqua-Pure water filter cartridge replacement for whole house filtration systems is a must-have for anyone looking to improve the quality of their drinking water. With a compatible brand list that includes AP117, ap117sl, Culligan Dupont Kenmore Omnifilter Aqua Pure Whirlpool HDX, and a filtration method that removes chlorine taste & odor, sediment, and other contaminants, this unit ensures that your family has access to clean and safe water. The clear cartridge is made of carbon material and has a capacity of 11.4 litres per minute. It is suitable for under-sink use and has a cartridge life of 6 months. This package includes 4 x 3M AP117 Aqua-Pure water filter cartridges, ensuring that you have a steady supply of replacements when needed.