Neptune Systems COR-20 Intelligent Return Pump

RUNS STANDALONE - NO APEX NECESSARY!
That’s right, the COR-20 will run completely standalone OR connected to ANY Apex System via its AquaBus port. If you don’t yet have an Apex, don’t worry, down the road when you get one, you’ll open the door to many more features (like mobile notifications).

UP TO 2000 GPH (7500 LPH)
When properly plumbed, one COR-20 provides enough flow for aquariums up to 180 gallons. For larger systems, use two COR-20 for redundancy and disaster prevention.

COMPATIBLE WITH ALL APEX SYSTEMS
The COR pumps are compatible with all Apex systems including: Apex, Apex Classic, Apex Lite, and Apex Jr. Simply connect the COR driver to the Apex via any available AquaBus port.

FOR INTERNAL OR EXTERNAL APPLICATIONS
With it’s included fittings, the COR-20 can be plumbed to work either externally, or submerged in a sump.

IQ-LEVEL SETS THE PROPER MIN AND MAX FOR YOUR AQUARIUM
Every aquarium is different so the IQ-Level feature of the COR-20 enables you to set a customized minimum and maximum flow rate for your specific aquarium’s needs.

INCLUDES OVERSIZED 1.25 in. UNION
We include 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!

ENERGY EFFICIENT - USES LESS THAN 90W OF POWER!
The COR-20 is a brushless, DC-driven pump optimized for the lowest power consumption possible. At 100% it still uses less than 90W at the wall!

INCREDIBLY QUIET!
We think the COR-20 is the quietest pump on the market for its size and output. We challenge you to find a quieter pump!