Its an Eheim 1250
1250...Centrifugal pump
Pump output 1200 l/h 264 lmp. gal./h. 7317 U.S. gal./h.
Delivery head 2,00 m/wat.col. 6 ft. 7 in./wat.col.
Power consumption 28 W
Hose connection (suction side) Ø17mm (3/4")
Hose connection (pressure side) Ø13mm (1/2")
Dimensions: lenght x width x height 180 x 95 x 120 7.1 x 3.8 x 4.7 in.
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Many people prefer the 1048
1048...Centrifugal pump
Pump output 600 l/h 132 lmp. gal./h. 158 U.S. gal./h.
Delivery head 1,50 m/wat.col. 4 ft. 11 in./wat.col.
Power consumption 10 W
Hose connection (suction side) Ø13mm (1/2")
Hose connection (pressure side) Ø13mm (1/2")
Dimensions: lenght x width x height 147 x 75 x 118 5.8 x 3 x 4.7 in.