Marina Underwater Replacement Foam

Underwater Filter Replacement Foam Whether youre a beginner fish hobbyist or have kept an aquarium for many years now, youll find Marina products to be user-friendly and affordable, supporting the life and habitat of your fish for years to come. Marinas quiet-running underwater filters use mechanical and biological filtration to ensure crystal-clear aquarium water; their foam cartridges assist in this and replacements are readily available.