Overflow boxes transport aquarium water to under cabinet sumps without having to drill aquarium glass. These boxes make it possible to utilize an under aquarium sump, opening up more opportunities for a wider variety of filtration methods.
Eshopps overflow boxes feature bulkhead fittings for secure and convenient installation. Use these easy-to-install overflow boxes to transport aquarium water to under cabinet sumps, refugiums, or wet/dry filters. Gravity-feed system eliminates the need for complicated drilling or aquarium modifications.
These pre-filters move water from an aquarium to a filtration system without tank modifications. These units skim up to six times more water than units with tubes. Can be hard plumbed with standard PVC pipe. (Does not include lid.) Use of Aqua Lifter Pump is necessary to prevent trapped air from the siphon. Combine with Aqua Lifter Filter, a suction-style floss debris filter, to maximize efficiency and use of the Aqua Lifter Pump.
The Rapids Surface Skimmer Overflow efficiently skims the surface water of the aquarium, removing dissolved organics and other waste material to the filter where these contaminants and other impurities are broken down. This skimmer delivers automatic filter stop and start in the event of electrical power loss. This feature does not allow any aquarium water to back drain into the filter box, preventing flooding. The Overflow will handle up to 1,000 gph. The Tom Aquarium Products Rapids Surface Skimmer Overflow includes an Aqua Lifter pump.