Designed specifically for the Fluval G3 filter, the G3 Pre-Filter Cartridge is designed to trap suspended debris in fresh or marine aquariums.
G3 Pre-Filter Cartridge
- Mechanical filter media
- No by-pass – debris remains caught between pleats until it is removed and rinsed
- Improves chemical and biological filtration efficiency
- Designed for daily use in fresh and salt water aquariums