Red Star Biological Sponge for Aquarium Top Filter - 100cm × 12cm × 3mm

This high-quality Red Star Biological Sponge provides superior filtration for aquarium top filters.

Precisely cut to 100cm × 12cm × 3mm dimensions can be used for all model Top Filters, it efficiently removes debris while supporting beneficial bacteria colonization. 

Durable construction ensures long-lasting performance and optimal water quality for a healthier aquatic environment.