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Keep your aquarium in pristine condition with our 3 Month Service Pack for the Bio-CF Mini Internal Cartridge Filter. This eco-conscious pack contains three biodegradable cartridges, each designed to last a month, offering continuous, hassle-free maintenance. Crafted from coconut coir and activated carbon, these cartridges ensure superior water clarity and health without contributing to plastic pollution. Effortless filter changes with a perfect fit for your Bio-CF model, and the simplicity of monthly cartridge replacements make maintenance easy. The bio-degradable coir tech keeps your aquarium sparkling clean and supports a healthy environment for your fish. Made from coconut coir, a natural waste product, these cartridges are 100% plastic-free and won't emit harmful microplastics, helping reduce plastic pollution in our oceans with every filter change.