Replacement Sponge Set for SOBO Canister SF Series Model:FM-20 More than just a toy

More than just a toy

They do not contain preservatives

With continued use

These purpose-built caves provide the ideal sanctuaries for your plecos

Floating granules for all goldfish and other coldwater fish

Replacement Sponge Set for SOBO Canister SF Series Model:FM-20 More than just a toyReplacement Sponge Set for SOBO Canister SF Series Replacement Sponge Set for SOBO Canister SF Series is used for filtration and reduction of ammonia and phosphate in aquatic environments. 4 in 1 Multifunctional Filter Sponge High Quality White Filter Wool Super Activated Carbon Sponge Ammonia Reduction Filter Sponge Phosphate Reduction Filter Sponge FM 10 FOR 650F 850F 1000F FM 20 FOR 1200F and 1500F