Aqua Ultraviolet® Classic Twist 25 Watt UV Clarifiers/Sterilizers Fish Mate It is always best to

It is always best to use Polish AC™ in conjunction with a filter

It does unfortunately remove desirable bacteria as well

and biotech industries

Pre-filter grill with Flow Control Valve

For use in or out of the water

Aqua Ultraviolet® Classic Twist 25 Watt UV Clarifiers/Sterilizers Fish Mate It is always best toThe 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