Features:1. The aquarium filter water cubes are made of activated carbon, dense grid hole structure.2. Can be used to absorb harmful bacteria and the organic waste in the aquarium, as well as odor.3. Effectively reduce the chemical residue in the aquarium and adjust the PH value.4. Change or clean every 3 or 6 months, save to your energy and time.Note:Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.Specification:Color: GreenMaterial: Activated carbonStructure: Dense grid holeSize(optional): 5cm*5cm*5cm/1.97"*1.97"*1.97"; 10cm*10cm*10cm/3.94"*3.94"*3.94"Conversion: 1cm=0.3937 inch, 1inch=2.54 cmHow to use:1. Wash the cubes with warm water and soap before using.2. Recommended placement is near the water inlet of the fish tank pump.3. Do not position the black grid upward or downward, otherwise, it will clog up and affect the filtration effect.4. For best results, rinse or replace the filter every 3 to 6 months.Included:1 x Aquarium Filter Water Cubes
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