Was this the unit?Yeah its not exactly the easiest thing in the world to find and I don't know why. I have been using an older model for the better part of a year and it works like a charm with no aqua lifter pump.
KollerCraft TOM RP90 Rapids Pro Filter with UV Sterilizer for Aquariums <--- This is what you need to search for I previously would have been able to order it on amazon about 6 months ago but not available at the moment.
KollerCraft TOM RP90 Rapids Pro Filter with UV Sterilizer for Aquariums : Amazon.sg: Pet Supplies
KollerCraft TOM RP90 Rapids Pro Filter with UV Sterilizer for Aquariums : Amazon.sg: Pet Supplies
www.amazon.sg