Aqua Ultraviolet® Classic Twist 57 Watt UV Clarifiers/Sterilizers Pressure-Treated Pine making them safe for fish

making them safe for fish and plants and allowing for metals like iron to be used by pond plants as fertilizer

5 year warranty on tubing

It reduces ammonia levels as well as biological oxygen demand (B

The net result is a filter that operates nearly 3x more effectively than inefficient square filters

8") 360mm (14

Aqua Ultraviolet® Classic Twist 57 Watt UV Clarifiers/Sterilizers Pressure-Treated Pine making them safe for fishThe Aqua Ultraviolet Classic 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 if lamp