Octopus recirculating protein skimmers provide customizable injection and up to 30% enhanced performance over previous models with a newly designed needlewheel impeller. Designed for internal or external use, a Octopus recirculating protein skimmers are up to 30% more effective with the newly designed needle-wheel impeller. These skimmers are designed for internal or external use. A modified funnel neck and bubble plate concentrates bubbles for powerful skimming action. Easy to clean and take apart. Requires a pump to inject water. For aquariums up to 300 gallons.
