Product Dimensions:12 x 12 x 12 cm; 380 Grams Pet Life Stage:Adult Colour:Black Size:10x10x10cm Quantity:1 batteries required:No Batteries Included:No Item Weight:380 g Specification: Honeycomb Structure - Made from natural bamboo charcoal material, ultra-absorption activated carbon block, solid composition, no powder, no impurities, will not cause black water. filtration and absorption of any dirt, bacteria or chemicals that may be harmful to the health of pet fish, allowing your pet fish to absorb healthier water. How to Use- Safe and reusable, just wash with soap and warm water before putting it back in the water tank. Do not place the mesh filter down, as it will block and affect the filtering effect. For best results, When placing the filter block, be sure to put the filter hole to the direction of the water flow. Aquarium Filter Keep Water Clean - The adsorbed material is firmly controlled and oxidized to improve the filtration efficiency.Effectively filter dirt, cloudiness and odor, maintain the clear and healthy water quality for your water pets habitat. Carbon Cube Fish Tank Cleaner - Unclean aquariums are harmful to the life of pet fish. With the help of this eco-aquarium water purifier cube, keep the water pet habitat safe. SATISFACTION- If you are not happy with your buying experience, simply contact us and tell us what we can do to solve the problem! We will handle it for you as soon as possible See more product details Honeycomb Structure - Made from natural bamboo charcoal material, ultra-absorption activated carbon block, solid composition, no powder, no impurities, will not cause black water. filtration and absorption of any dirt, bacteria or chemicals that may be harmful to the health of pet fish, allowing your pet fish to absorb healthier water. How to Use- Safe and reusable, just wash with soap and warm water before putting it back in the water tank. Do not place the mesh filter down, as it will block and affect the filtering effect. For best results, When placing the filter block, be sure to put the filter hole to the direction of the water flow. Aquarium Filter Keep Water Clean - The adsorbed material is firmly controlled and oxidized to improve the filtration efficiency.Effectively filter dirt, cloudiness and odor, maintain the clear and healthy water quality for your water pets habitat. Carbon Cube Fish Tank Cleaner - Unclean aquariums are harmful to the life of pet fish. With the help of this eco-aquarium water purifier cube, keep the water pet habitat safe. SATISFACTION- If you are not happy with your buying experience, simply contact us and tell us what we can do to solve the problem! We will handle it for you as soon as possible