Cascade Power Filter Bio-Sponge Cartridges are convenient replacements to keep your Cascade filter running at peak efficiency. These duraple bio-sponges optimize colonization of beneficial aerobic bacteria, allowing the filter to remove ammonia and nitrites from your aquarium.
- Optimizes colonization of benedicial aerobic bacteria
- Removes ammonia and nitrites keepting the aquarium healthy
- Convenient, no fuss replacement sponge
- Easy to replace: just slide into your existing frame
Dimensions: 5.5 x 3.25.