Xinyou XY-2813 Bio Sponge Filter (Cylinder)
- Supplying the water with much needed oxygen.
- Reduces noise from air pump and consumes lowest wattage.
- Fit well to external or top filter as prefitration unit.
- No dead spots in cylinder foam offers increased filration.
- Nodular design of foam Cartridge system for easy maintenance.
- Various types of installions are possible.