Koller Filter Cartridge Pre-Assembled fits Tom Mini Power Filter (TM1250), 3-Pack
This is the original replacement cartridges for the Tom 1250 model filter. The new pre-filter at top for longer intervals between cleaning. Simple to use and set up. Large volume self priming. Consumes less energy with more power. Easy to install and operate and provides unlimited, unhindered access to the entire aquarium.