Our 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

• Item #: OCT-OB300D

• Reef Octopus Dual Overflow Box
• Dimensions: 9.13″ x 6.75″ x 10″
• Maxflow: 2000gph
• 2.75″ mouth. 3″ in tank. 3.5″ outside of tank.
• Includes two 1.5″ drains
• High quality machine welded cast acrylic construction