High quality and economical hang-on overflow box allows you to easily add a sump, refugium or wet/dry filter to your system. U-tube design allows for easy and convenient installation. Adjustable pre-filter hight allows you to adju...
Easy-to-use auto top off system that is ready to go out of the box!
Includes one float sensor with magnetic mounting bracket and top-off pump.
The float sensor is enclosed in a protective acrylic enclosure to prevent snails or...