This Genuine Culligan CW5-BBS filter cartridge is designed to fit whole house water filtration systems. It features a quick connect design for easy installation and is made with high-quality materials such as polypropylene and polyester for effective filtration of sediments, dirt, and rust. The filter media has a 5-micron rating and a flow rate of 8 gpm, making it a heavy-duty option for households with high water usage. This filter cartridge is compatible with universal models and comes in a pack of one. Invest in the Culligan CW5-BBS Whole House Filter Cartridge for an efficient and convenient way to improve the quality of your home's water.