NextReef NXS1 skimmers feature a fully-sealed, recirculating design, perfect for internal or external use. That means they work as well in your sump as they do sitting next to it. It also means that they`re not picky about water...
The new and innovative Reef Octopus Regal 170-EXT recirculating protein skimmer supplies powerful filtration for aquariums up to 300 gallons where absolute control is a necessary. The Reef Octopus Regal 170-EXT is constructed of h...