Sundance 14-Inch Ozone Bulb 6560-121

14" Long ozone bulb, used In SBSG Ozone Replacement for: SD6560-121 M1-50-151 or SD6560-121-ALT replaces SUN6560-121 and 6560-121 as well as M1-50-151 and select other 14 inch ozonator bulbs as used in Sundance Spas and other brand hot tubs. This bulb also used in discontinued ozonators: SBSG Ozone: 6-00-0006 6-00-0009 6-00-0020 6-05-0015 You may also need a 1/4 inch inline check valve 64174 or a 1/4 inch barb x 1/8 inch mpt brass ozone fitting X28-62.