Features: 1. The dirty water tank can be detrimental to the health of your farm animals. Eliminate the hassle of frequently replacing murky water with the Water Purifier Cubes, designed with Ultra-Absorption Activated Carbon Blocks to ensure clean drinking water for your farm animals. 2. Water Purifier Formulas: The Water Purifier Cubes are constructed from Honeycombed Ultra-Absorption Activated Carbon Blocks that effectively filter dirt, cloudiness, odors, and more from livestock troughs. They have a solid composition, free of powder and impurities, preventing black water formation. 3. Safe For All Animals: The Water Purifier Cubes are specially designed to provide clean water for all animals, including fish and reptiles. They are safe for animal use only. 4. Easy to Use: Simply place it in the tank. Wash it with soap and warm water, and it can be reused in the water tank. Clean the cubes with warm water before first use. These cubes are durable with proper maintenance but are recommended to be replaced every 6 months to ensure clean drinking water for animals. One cube works for 150L; depending on tank size, several blocks may be necessary. 5. Ensure Clean Drinking Water For Farm Animals or fish with Water Purifier Cubes. Get Yours NOW! (Note: This product is not suitable for human drinking water.) Notice: 1. The actual color may vary slightly from the image due to different monitor and lighting effects. Please allow a deviation of 1-3cm due to manual measurement. Specification: Material: Natural activated carbon, sepiolite clay mineral Size: 10*10*10cm Includes: 1/2/4 (optional) x Water Purifier Cubes About Shipping: All items will be shipped within 3 business days after payment is received. Typically, you will receive them within 8-12 days. The specific delivery time depends on circumstances. If you have any questions, please feel free to contact us. During the shopping process, if you have any inquiries, please do not hesitate to ask, and we will respond within 24 hours. We wish you a pleasant shopping experience. Thank you for your cooperation, and we aim to ensure your satisfaction.