Zodiac CV460 CV Series Versa Plumb Cartridge Filter, 460 Square-feet CV series versa plumb cartridge filter Heavy duty, anti corrosion tank clamp and easy grip handles; measures 460 square-feet in size Designed with our exclusive versa plumb system to easily connect with other products Extra large 2-inch drain port allows for easy cleaning of debris; clean, dirty indicator on pressure gauge Includes 2-inch by 2-1/2-inch universal unions and SEFL1002 sweep elbow to easily connect with the pump