Neptune Apex COR 20 Return Pump

Your return pump is by far the most important piece of equipment on your aquarium. It circulates the water which is basically the life-blood of a tank. Creating a great aquarium is just like building a great body – it all starts at the core – and this is precisely how our pump got its name!   The COR is a variable speed, brushless, DC-driven centrifugal water pump designed specifically for aquariums to be intelligent, energy-efficient, unbelievably quiet, and incredibly powerful for its size.   RUNS STANDALONE - NO APEX NECESSARY! UP TO 2000 GPH (7500 LPH) COMPATIBLE WITH ALL APEX SYSTEMS FOR INTERNAL OR EXTERNAL APPLICATIONS IQ-LEVEL SETS THE PROPER MIN AND MAX FOR YOUR AQUARIUM INCLUDES OVERSIZED 1.25 in. UNION ENERGY EFFICIENT - USES LESS THAN 90W OF POWER! INCREDIBLY QUIET!