The BOYU GX4P Pump range is "do it all" pump.  

These pumps are suitable for freshwater or salt water system, in or out of the water!!

Very low wattage and available in 3 sizes.

GX4P - 5000     (40watts)   Max 5000 L/h      Max Head 3.5m     Size 267mm x 122mm x 162mm    Outlet 1.5" Male Thread

GX4P - 10,000  (85watts)   Max 10,000 L/h   Max Head 5.0m     Size 267mm x 122mm x 162mm    Outlet 1.5" Male Thread

GX4P - 15,000 (135watts)  Max 15,000 L/h   Max Head 6.0m     Size 319mm x 142mm x 181mm    Outlet 2"   Male Thread