Usage Tips:[Automatic Water Level Control] Replace traditional floating ball valves with our 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, our valves ensure the safety of drinking water. With an exquisite appearance and durable hard shell, they have strong friction and impact resistance, effectively increasing the product's service life. [Space-Saving Design] Our valves are small and do not take up space, and they are superior to traditional processes to effectively increase water output, which is more than traditional float valves. [Save Water Resources] Practical and easy to install, our valves have a long service life, low failure rate, and save water resources. [Widely Application] Suitable for water tanks, water towers, pools, solar. Please note: if using indoors, always have an emergency overflow system in place to prevent flooding. Colour:Silver 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.