Sera Spare Sponge L150/L300 is a replacement sponge suitable for fresh and saltwater aquariums. This spare sponge is designed to fit Sera Internal Filters L150 and L300 and works to reduce pollution levels in water by breaking-down invisible nitrogen compounds, dirt, and dust. The key features of the Sera Spare Sponge L150/L300 are:
- Brand new replacement sponge for fresh and saltwater filters.
- Suitable for Sera Internal Filters L150 and L300.
- Helps eliminate the build-up of nitrogen and remove dirt and dust particles through absorption.
- 1 X triangular-shaped sponge.