The Omnipure K5615-BB Carbon Block with Lead and Cyst Water Filter is an inline type of cartridge. An inline cartridge can be installed inline, even behind a refrigerator, for ensuring cleaner, better tasting water. The advantage of inline filters is that they can be easily installed wherever filtered water is required. It is a 12 inches polypropylene filter. The cartridge removes the taste and odor of chlorine, dirt, cyst, lead, rust, and sediment. It is rated to a 0.5 gpm. The dimensions are 2.5 x 12 inches. It has a rating of 1 micron. The cartridge has a quick connect 1/4 inch FPT fittings for easy installation. It is one of the best water filtration cartridges for icemakers, RO systems, beverage systems, and refrigerators. The cartridge has a capacity of 1 year or 1500 gallons.