Cascade Power Filter Bio-Sponge Cartridge
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About the Product:
Cascade Power Filter Bio-Sponge Cartridges are convenient replacements to keep your Cascade filter running at peak efficiency. These durable bio-sponges optimize colonization of beneficial aerobic bacteria, allowing the filter to remove ammonia and nitrites from your aquarium.
Dimensions: 4.5" x 2.5"
Why You Should Buy: