Tsunami MK2 T500 Manual Bilge Pump with Installation Kit - 500 GPH & 12VThis is a complete kit (includes a bilge pump) to install a manual bilge pump with a 3/4" I.D. hose outlet. The Tsunami Mk2 is the only manual bilge pump that eliminates airlocks. This is done by the Patented X-Air(TM) Impeller, which ejects trapped air in the pump and pipework. Also, the Tsunami Mk2 is the most reliable manual bilge pump in freshwater applications, considering it has 40% better protection against water ingress and electrolysis vs. the Mk1 pump. Kit Includes: Attwood Tsunami Mk2 500 GPH Pump Washer / Non-Return Valve 90-degree Outlet Straight Outlet 3/4" x 5&'; Pump Hose 3/4" Thru-hull fitting 2-way on/off switch with bezel plate Snap-It hose clamps Wire Kit Installation Kit Easy Installation & Service: GPH (Gallons Per Hour): 500 GPH 90Adeg rotatable elbow outlet allows users to install the pump anywhere in a full 360Adeg orientation Backward compatible hole pattern and motor cartridges of Tsunami Mk1 bilge and aerator pumps External mounting feet and integrated outlets reduce time and effort Service pump cartridges from hard-to-reach areas using only one hand Specifications: Rated Volts DC: 12VDC Fuse Size: 3 AMP Wire Length: (inch) 29" / (mm) 735mm Hose Diameter: (inch) 3/4" and 1" *Caution: Bilge pump switches are not external ignition protected Specifications: Gallons Per Hour: 500 GPH Operation: Non-Automatic Outlet Size: 3/4" or 1" Type: Pumps/Drives Volts: 12v Box Dimensions: 6"H x 7"W x 9"L WT: 1.75 lbs UPC: 022697024213 Quick Guide (pdf)