Reef Octopus Overflow Boxes

Reef Octopus 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.

  • Reliable alternative to  built-in overflows
  • Quietly removes five times more water than overflow units with tubes.
  • Black top reduces algae growth
  • High quality machine welded cast acrylic construction
  • Once initially primed units will not loose siphon

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.

 

OB-300S Reef Octopus Overflow

 

Item #: OCT-OB300S

  • Reef Octopus Overflow Box
  • 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

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.

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Item #: OCT-OB300D

  • Reef Octopus Dual Overflow Box
  • Dimensions: 9.13″ x 6.75″ x 10″
  • Proper water flow rate: 1800-2100gph
  • 2.75″ mouth. 3″ in tank. 3.5″ outside of tank.
  • Includes two 1″ output drain for direct plumb PVC
  • High quality machine welded cast acrylic construction

Suggest the use of an Aqualifter pump or the OB-Mate -25 Return Plumbing to prevent the build up of air pockets within the unit.

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Item #: OCT-OB400D

  • Reef Octopus Dual Overflow Box
  • Dimensions: 10.5″ x 9.75″ x 9.25″
  • Proper water flow rate: 2100-2700gph
  • 2.75″ mouth. 3.5″ in tank. 4.25″ outside of tank.
  • Includes two 1.25″ PVC output drain
  • High quality machine welded cast acrylic construction

Suggest the use of an Aqualifter pump or the OB-Mate -25 Return Plumbing to prevent the build up of air pockets within the unit.

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