Waterfall Style Circulation The waterfall style flow helps diffuse CO2 into the aquarium while also promoting healthy oxygen levels. The adjustable water flow rate makes it easy to adapt the Reaction HOB to your aquarium. Dual Intake Design The coarse sponge prefilter catches large debris and protects inhabitants. Surface skimmer promotes better water circulation in aquarium while skimming off oily surface film. Streamlined Filtration Medium-density sponges catch large debris from flowing into filter pads that further purify water from particulates. Activated carbon and ceramic rings work to purify water before it is cycled back into the aquarium.
Hang-On-Back Aquarium Filter