The PS1 silently (less than 30db) pumps 240 gallons per hour at 17 foot head pressure to 540 gallons per hour at 3 foot head pressure through 1 inch male NPT threaded fittings. The latest in materials, including the Noryl housing & impeller, titanium rotor, EPDM high temperature O-ring (to 140F) and carbon graphite/ceramic bearing combine to make a unique leak proof design with line pressures to 50PSI. The pump comes complete with 6ft SJWTA water resistant power cord and features a Run Dry Cutout with thermal switch for safety. The high performance energy efficient 115V/60Hz unit requires only 98 Watts.
Another unique feature of the Poseidon pumps is the mounting bracket designed to allow the pump be mounted in any of four positions: With the output at a 45 degree angle to the left or right, the output vertical or the output horizontal to the left.
Over all length is 7" long including the threaded inlet port. The pump impeller housing is 4.25" wide. It is 4.5" wide at the wire inlet port. It is 5" tall at the outlet port.
The Velocity 1 and 3 will pump up over 25 feet, and that 2Velocity 2 and 4 will pump up with max of 18 feet. .
Please note that it is normal for this pump to increase the aquarium's water temp by 4-6 degrees F.