DP-900 has been sold.
Still have the following pump available...
DOLPHINSuper Aqua Sea, Model K55MYHBM-8529, RPM-1725. Previously used in alarge salt water fish tank set up. These pumps are powerful, quiet,durable and transfer very little heat to the water. This pump justneeds a new seal kit that you can obtain from Dolphin. Asking $40 or best offer.