Campbell's 1PS-B1 Water Filter System is "The Plumbers' Choice" for Whole House and Point-of-Use sediment removal applications in 1 inch cold water lines. This filter system can be installed in both residential and commercial environments. The clear bowl is made of rugged industrial-strength plastic making it easy to see when it's time to change the filter cartridge. This unit also has a pressure release button for easy cartridge changing. This filter comes with a standard duty Campbell 1SS (5 micron) sediment filter cartridge Also Includes: Filter Service Wrench & Owner's Guide and Installation Instructions.