Reef Octopus 6" Auto Waste Collector. Put an end to smelly collections of skimmate while providing a safety net in the chance that your skimmer may overflow. Decrease the redundancy of emptying your collection cup. This 3-in-one device by collecting large volumes of skimmate, controls the smell of pungent skimmate and is equipped with a fail safe mechanism to shut off overflowing skimmers. The vented carbon housing easily removes for quick carbon exchanges. Specifications: Item #: OCT-WC140 * Reef Octopus 6″ Auto Waste Collector * Overflow Safety Switch * Carbon Vent Container * Holds Approximately 15 cups/120 oz/3600 ml * Height: 21.75″ * Footprint: 8.3″ x 8.3″ * Single Outlet