[Automatic Water Level Control] Replace traditional floating ball valves with 304 stainless steel fully automatic water level control float valves that automatically control water levels without manual switching. Works with water pressure between 10psi and 150psi, and can handle temperatures from 0°C to 100°C. [Safe and Durable] Made of food-grade 304 stainless steel, ensuring drinking water safety. Exquisite appearance with durable hard shell, strong friction and impact resistance, effectively increasing service life. [Space-Saving Design] Small size, does not take up space, superior to traditional processes to effectively increase water output more than traditional float valves. [Save Water Resources] Practical and easy to install, long service life, low failure rate, helps save water resources. [Widely Application] Suitable for water tanks, water towers, pools, solar. Note: If using indoors, always have an emergency overflow system in place to prevent flooding. Color: As shown in the picture Material: Stainless steel Package Contents: 2 * water level control valves, 2 * raw material belts. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.