The Unox UX300-05855A is a high-performance water filtration cartridge designed for optimal mineral enhancement in reverse osmosis systems. This MA-Q15 QT Replacement Cartridge measures 15 inches and has a remarkable capacity of 22,500 gallons, ensuring long-lasting filtration. With a flow rate of 1.5 gallons per minute, it efficiently delivers purified water while adding essential minerals for improved taste and quality. Compatible with OP and BWS series reverse osmosis systems, this cartridge is an ideal choice for maintaining superior water standards.