Check the listing for details. Reef Octopus 4" Protein Skimmer Waste Collector with Auto Shutoff & Delay Timer. Condition: New. Listed at 215.00 USD. The Elite Waste Collector for Protein SkimmersPut 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.Please Note Drain tubing sold separately.FeaturesDurablePrevents Skimmer OverflowsOverflow Safety SwitchRemovable Carbon Filter CupHolds Approximately 1400 ml/ 49ozInsurance from Murphy's LawGreat For External SkimmersSpecificationsHolds: ~1400 ml/ 49ozHeight: 18"Footprint: 6.5" x 6.5"Drain line connection: 12.25" from baseFuse: F3/L250VWC-100 Waste Collector Assembly Instructions- click here