1. Water Trough Purifier CubeAn unclean aquarium is harmful to the life of your pet fish. And this Eco Aquarium Water Purifier can effectively help maintain the sanitation of your water habitat. 2. Strong AdsorptionWith its strong adsorption and decomposition properties, this horse water trough purifier cube effectively absorbs dirt and odor, while oxidizing the absorbed substances. This results in improved adsorption efficiency and an extended life. 3. Super filter adsorptionWater trough purifier cube internal honeycomb structure, effectively increase the area, iodine value > 800 iodine value, greatly enhance the adsorption and filtration effect, rapid and effective purification of water quality, to maintain clear and transparent y water. 4. Honeycombed Activated Carbon CubeOur water trough purifier cube features a natural bamboo charcoal material with a honeycomb structure comprising 1600 small holes. This design significantly increases the area with water, enhancing the filtering effect.