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You are here: Home > Overflow Boxes
If your aquarium is not drilled but you would like to use a sump or wet/dry, a Overflow box is exactly what you need. We offer several sizes to choose from, depending on the flow rate you would like to maintain. We also have the aqua lifter vacuum pump to get your overflow siphon started.
CPR Overflow Boxes
If your aquarium does not have a built-in overflow, CPR Continuous Siphon Overflows/Prefilters are the best means for getting water from an aquarium to a filter system without expensive modifications to the tank. They quietly skim up to six times more water than units with tubes.