This 4in1 Multifunctional Sponge suitable for use of Sobo Canister External Filter SF-650SF, SF-850F, & SF-1000F.
- High Quality Wither Filter Wool.
- Super Activated Carbon Sponge.
- Ammonia Reduction Filter Sponge.
- Phosphate Reduction Filter Sponge.
To ensure the quality of filtration, regular cleaning and subsequent replacement is recommended for every 60 days.
Sobo Filter Sponge FM-10