Coralife Biocube Mini UV Sterilizer 2.05 Watts
UV Sterilizers & Parts Coralife BioCube Mini UV Sterilizer 2.0 with low-voltage ballast kills free floating algae, parasites and harmful bacteria.
Attaches directly to the BioCube pump for easy setup and use. Designed to fit inside the aquarium. Low voltage ballast and 5 watt bulb are ideal for small aquariums.