Fluval UVC In-Line UV Clarifier Clear Water Greenwater Aquarium Fish Tank

CCFL (Cold Cathode Fluorescent Light) technology runs cooler than traditional UVC bulbs to last up to 30,000 hours (3X longer). A chemical-free and maintenance-free way to purify water. FLUVAL CYCLE 500ml BIOLOGICAL FILTER BACTERIA WATER FRESH AQUARIUM FISH TANK.

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