- Float valve for water tanks with a built in filter screen that removes macroscopically visible impurities, helping keep water healthy and safe while maintaining accurate water level. - Replaces traditional float valves without electricity, offering easy operation and long service life. Made of durable plastic for reliable use. - Aquarium float valve provides automatic refill stop when the tank reaches the set level, enabling automatic control and reducing water waste from overfill. - Water tank float valve includes sealing tape to help prevent leaks and improve sealing performance, supporting a stable water level. Use scenarios - In home aquariums, it automatically maintains water level as evaporation occurs, without the need for power. - In outdoor rain barrels or storage tanks, it tops up to the required level automatically, reducing manual maintenance. - In greenhouses or irrigation reservoirs, it keeps the nutrient or irrigation water at a consistent level while minimizing leaks and overflow.