Pondmaster Pond Mag Model 18 Magnetic Drive Water Pump  Part # 2728  
 
Dimensions  6.5"L x 3"W x 5.25"H
Submersible or In-line
Max Flow Rate  1800 GPH
Max Head Pressure 16' 6" 
GPH @ 3' 1170 GPH
GPH @ 5' 1040 GPH
GPH @ 8' 880 GPH
Inlet 3/4" FPT
Outlet 3/4" MPT
145 Watts 1.55 Amps
18 Foot Power Cord