Grey Waste Tanks with Intelligent ControlRobust compact tanks with multi-port options to suit your installation.Whale&&';;s Largest Range of Multi-Port Grey Waste Tanks Ever!Simple system - Allows you to manage all grey waste on board through one thru-hull fitting.Resilient polyethylene one-piece moulded tanks designed to handle grey waste on board - ideal for use with Gulper Grey Waste pumps for unbeaten debris handling.8 liter capacity grey waste tanks - compact design allows you to mount a Gulper pump directly to the side to save space and simplify pipe runs.16 liter capacity grey waste tanks - higher capacity design allows you to mount a Gulper pump directly to the side to save space and simplify pipe runs.20 liter capacity grey waste tanks - outlet ports and sensor locations minimize air pumping noise.Grey waste tank lid with fully integrated sensor: Intelligent Control - sensor activates pump automatically to empty grey waste tank only when required Robust - enclosed housing with dual seal ensures the best component protection in the harsh grey waste environment Reliable - designed to reduce dirt and debris build-up Compatible - lid design allows retrofitting to existing Whale grey waste tank systems Simple installation - two wires can connect to any 12 or 24V pump system, up to 20A, with no requirement for a relay WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Type: Holding Tanks Box Dimensions: 10"H x 11"W x 20"L WT: 9 lbs UPC: 766478955852