Fluval BIOMAX bio rings have a complex pore system creating an optimal environment where beneficial bacteria can thrive, bio rings have more capacity than most biological filter media and allow ideal water movement
Biorb Moorwood Ornament Medium, 360 degree model: nice to look at from all sides, True-to-life, high-quality workmanship and firm stance, Detailed and high-quality workmanship, Easy to clean and quickly swapped out, Dimensions: 18 x 15 x 23cm
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