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

• • Dimensions: 9.13" x 6.75" x 10"
  • Proper water flow rate: 1300-1800gph
  • 2.75" mouth. 3" in tank. 3.5" outside of tank.
  • Includes one 1" output drain for direct plumb PVC
  • High quality machine welded cast acrylic construction