The H2Overflow Stealthbox is an easy to install external overflow manifold that enables you to organize the flow of water from the aquarium to different parts of the filter system, and incorporate internal plumbing schemes for silent operation. music credit: http://www.bensound.com/royalty-free-music | Custom Aquariums

The H2Overflow Stealthbox is a versatile external overflow box that works with up to three H2Overflow screens to drain up to 3600 gph of water into a sumop filter safely, efficiently and quietly. | Custom Aquariums