Sponge Filters Showing all 2 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Serenity Aquatics Sponge FilterRated 0 out of 5 $4.95 – $9.95 Select options XINYOU Aquarium Biological Sponge FilterRated 0 out of 5 $19.95 Select options