Aqua Ultraviolet® Classic 160 Watt UV Clarifiers/Sterilizers Professional It is necessary to add

It is necessary to add small stones to the inner tube to keep the diffuser weighted at the bottom of your pond or lake (only the MTD-300W comes pre-weighted)

Can be fastened to a secure base for increased stability

Five nozzles included with patterns ranging from 3-7'H and 4-20'W

cooling fan and electrical outlet installed

Aqua Ultraviolet® Classic 160 Watt UV Clarifiers/Sterilizers Professional It is necessary to addThe 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. Aqua Ultraviolet UV clarifiers will clear your water in 3 to 5 days sometimes overnight and keep it that way. Longest lamp life on the market! Replace bulbs less often, saving money. Highest quality quartz sleeve allows for 99. 9%