OMNIFilter's BF7 heavy-duty whole house 10 in water filter system is designed to meet the high flow and large capacity of larger homes with 1 in incoming water lines and is ideal for both well water and city water applications. The system easily attaches to any 1 in incoming water line to filter water for the whole house. Includes a 30 micron heavy-duty whole house RS6 pleated sediment cartridge; however, you can customize it to your filtration requirements by using any number of OMNIFilter heavy-duty whole house cartridges.