Polar aurora 4 stage external canister filter 525gph with 9 watt uv sterilizer new 525gph prime.
External canister filter with uv light.
When exposed to ultraviolet light the algae cells are killed.
Sunsun hw 304b 525 gph 5 stage external canister filter with 9 watt uv sterilizer.
The hw 304b has a built in 9 watt uv sterilizer to help kill algae spores and bacteria promoting crystal clear water.
External 4 1 stage canister filter with built in uv sterilizer.
The sunsun 4 stage external canister filter with 9 watt uv sterilizer is a great buy for the money.
Only 13 left in stock order soon.
Filter is capable of handling up to 525 gallons per hour with 4 flexible media trays that allow you to add your media of choice.
The fourth stage of the sunsun canister filter is a built in 9 watt ultraviolet uv light.
The uv light kills suspended algae that pass through the filter.
Marineland magniflow canister filter for aquariums fast maintenance 4 2 out of 5 stars 1 499.
Polar aurora 4 stage external canister filter with 9 watt uv sterilizer 525 gph with.
Sunsun hw 404b 525 gph 5 stage external canister filter with 9w uv sterilizer white 4 0 out of 5 stars 210.
The set up is a little tricky and the instructions are not all that.