Aqua Ultraviolet® Classic Twist 25 Watt UV Clarifiers/Sterilizers Asynchronous since the water outlet is

since the water outlet is on the top of the pump

improved dissolved oxygen levels and reduced ammonia levels

Can be mounted in any position

Safe for fish fins or scales Soft

this 4-pin

Aqua Ultraviolet® Classic Twist 25 Watt UV Clarifiers/Sterilizers Asynchronous since the water outlet isThe Aqua Ultraviolet Classic Twist Series UV Clarifiers are ideal for ponds, aquariums, and water features. The rugged design of this ultraviolet sterilizer has features that allow for quick installation and easy maintenance. Twist body with rotating union for flexible installation Longest bulb life on the market means replacing less and saving money! Highest quality quartz sleeve for 99. 9% UV transmission rate Clear quartz cap makes it easy to see