The CFS517 is a popular replacement cartridge. It provides a low-cost, high-quality alternative to the 560 and 570 water systems. It filters away sediments, odor and taste of chlorine, dirt, and rust. The cartridge is efficient in removing the deposition of scaling salts that often ruin water pipes and water-using kitchen appliances. The cartridge comprises of a granulated activated carbon which is compressed in a block. The block performs the function of adsorbing the chlorine's taste and odor or any other chemical. The block is infused with a KDF media that removes heavy metals like Lead by oxidation or reduction. The cartridge has a filtration rating of 5 microns. It has a capacity of 10,000 gallons. The flow rate is 1.3 gpm. The standard dimensions-3.5 inch x 13 inch. The temperature range is 35 to 100 Fahrenheit and the maximum pressure is 125 lbs.