Seapora Overflow Box 1000 media cartridge It drains as well as

It drains as well as fills aquariums

Additional replacement filtration media ​​is also available

enhances overall aesthetics

Also included is the media container

Ultra fine grade to help prevent against impaction from over consumption

Seapora Overflow Box 1000 media cartridge It drains as well asThe Seapora 1000 Overflow Prefilter is a low profile acrylic overflow box that hangs on your tank and easily converts a standard aquarium into one that is reef ready. It comes with dual foam cylinders, a nylon u tube and a 1 inch bulkhead. The Seapora Overflow Prefilter supports flow rates of up to 1000 GPH and is ideal for tanks up to 150 gallons.