The Omnipure K2586-JJ GAC and Phosphate is an inline type of GAC and Phosphate 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 10 inches carbon GAC and phosphate filter. The cartridge uses 4 oz. of phosphate and removes the taste and odor of chlorine, lime and scale deposit. It has a flow rate of 0.5 gpm. The dimensions are 2 inches x 10 inches. The cartridge has a quick connect 1/4 inch FQC 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 6 months or 1250 gallons.