💦 Dive into crystal-clear waters with Fluval!
The Fluval U4 Poly-Carb Cartridge is a high-performance replacement filter media designed for the Fluval U4 Underwater Filter. This 2-pack features a dual-sided design, with one side made of polyester for fine debris filtration and the other side containing carbon to eliminate harmful substances, odors, and colorants. Suitable for various aquatic environments, it ensures your aquarium remains pristine and healthy.
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