Whale Marine Whale Gulper Grouper Mk3 Fishbox/Waste Pump w/90° Ports - 24V MSRP: Price: 2099-12-31 $168.49 Gulper Grouper Mk3 Fishbox/Waste Pump w/90° Ports - 24VNon clog electric Waste pumps without filters, built on more than a decade of market leading valve technology.Proven Diaphragm... Add to Cart Add to Cart