All of the big boys have them for pre order on there websites, like BRS, Marine Depot, Aquarium Specialties, etc etc. I have a Ecotech M1 currently and I can't wait to DUMP it since I have been through 3 of them in 1 year.
TANK INFO: 150 MIXED REEF INCL A 20'' SYNERGY external OVERFLOW BOX
Youtube Video on the COR Pump.
https://www.youtube.com/watch?v=UBg-uzZ55p0
https://www.marinedepot.com/Neptune_...FIPHAD-vi.html