UL Verified V699054 for heat & pressure
•Easy to use with instructions & videos
•Add years to the life of your water heater
•Help restore hot water pressure
•Improve the clarity and quality of your hot water
•Clear see-through window and full-port design
•Invented by a master plumber
•Excellent maintenance tool for DIY or plumbers
•Accepts standard air source; compressed gas cartridge recommended (sold separately)