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Description Material PVC Plastic CottonSize Dia X H 15x16mm 0 59x0 63 appr Color BlueQTY 100 Pcs Bag Features Practical and durable home using product Great for fresh or saltwater aquarium filtration systems Bio balls do not require replacement unless damaged or destroyed The bio balls provide biological filtration removing toxic ammonia and nitrite The bio sponge provides more surface area for growth of beneficial bacteria In the event of excessive buildup you may gently rinse with water from an established aquarium Package Included 100pcs Filter Bio Balls Notice 1 Please allow a bit error due to manual measurement please make sure you do not mind before you bid 2 The color may have different as the difference display pls understand More Details
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