APMs DC 24V Brushless Water Pump Centrifugal Submersible Chiller Pump 800L/H 210GPH 5M/13ft for Fountain Solar Panel Pond Aquarium Water Circulation System 40W Water Aquarium Pump  (46 cm)

Circulation pump is non-self-priming pump. This pump is centrifugal pump, it can't vent the air automatically, so it must be operated by submersible installation.Fit for fountain, pool, pet aquarium, fish tank, solar circulation system, water circulation system, hydroponic systems, etc. Submersible installation and entirely waterproof, The point straight in line with the pump body is the water inlet, vertical to the pump body is water outlet. Inlet is 15mm & outlet is 12 mm. Can run on electric using power supply 24 volt 5-8 amp.