The Neptune Systems COR-20 is an intelligent return pump, which can be used as a standalone or can be connected to your Apex System. The 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. The COR pumps are compatible with all Apex systems. Via its AquaBus port the COR can be easily connected to the Apex.
The COR-20 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. One COR-20 pump provides enough flow for aquariums up to 180 gallons! For larger systems two COR-20 systems can be used.
With it’s included fittings, the COR-20 can be plumbed to work either externally, or submerged in a sump. The IQ-level feature enables you to set a customized minimum and maximum flow rate for your specific aquarium’s needs. Included is a 1.25″ BSPP -> 1.25″ Slip PVC Unions so that you get the optimal flow from your COR-20. Plumb your system with 1.25″ and see what this pump can really do! The COR-20 is very energy efficient, it uses less than 90W of power.