I'm willing to trade my six month old, used RO Regal 250 DC skimmer for a Radion G2 Pro or G3, MP60QD or a comparable skimmer rated for 400 gallons or more that is 23 inches tall or less. See pic in for sale section: https://www.reef2reef.com/threads/reef-octopus-regal-250-int-dc-skimmer-nib-jebao-dp4.239990/