- Durable machine welded cast acrylic construction
- Reliable alternative to Built-in Overflows
- Quietly removes five times more water than overflow units with tubes
- Black Top Reduces Algae Growth
Single Drain Overflow Box
Overflow Boxes effectively skims the organic rich water from the surface of the aquarium to the filtration system. These units are a great alternative to a built-in overflow.
In most cases it is not necessary but we do suggest the use of an Aqualifter pump or the OB-Mate Return Plumbing to prevent the build up of air pockets within on our Overflow Boxes.
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Dimensions: 9.13″ x 6.75″ x 10″ Max Flow Rate: 1200gph 2.75″ mouth. 3″ in tank. 3.5″ outside of tank Includes one 1″ output drain for direct plumb PVC Suggest the use of an Aqualifter pump or the OB-Mate -20 Return Plumbing to prevent the build up of air pockets within the unit.