Watts MAXETW-975 10-Inch 5-Micron for Multi-Cartridge Whole House Water Filter with Solid Block Activated Carbon 3,000 Gallon capacity Standard 2-7/8-inch OD x 9-3/4-inch Length Low pressure drop makes it ideal for whole house or areas where higher flow carbon block filtration is needed Reduces chlorine taste and odor Meets all plumbing codes