Pondmaster Submersible Ultraviolet Clarifier / Sterilizer Replacement Ballast. Use the wattage of your existing UV Sterilizer to determine what replacement ballast to purchase.
Replacement Ballast is only compatible with the Pondmaster Submersible UV Clarifier / Sterilizer
Ballast comes with a 18 foot cord with a 3 prong plus
The replacement UV sterilizer ballast is UL listed