When your aquarium is 50 to 55 gallons or bigger, then the house that comes with the Python No Spill is not sufficient since the height of the water will be taller than the house, so this extension is the way to go, you need to purchase this item along with the Python No-spill solution.
This extension specs:
- Effectively separates and removes debris from your aquarium.
- Constructed with flexible, high-quality tubing.
- For aquariums over 55 gallons in size.