3/4 inch TOP WATER INLET: The external thread diameter of the water tank float valve is 3/4 inch (25 mm), and the top water inlet uses a threaded connection for easy installation. AUTOMATIC WATER LEVEL CONTROL VALVE: The float ball valve automatically fills and shuts off without electricity. Responsive operation. Controls water level with clean water at pressure greater than 0.2 kg/cm². Low failure rate, stable performance, water-saving design. LARGE WATER OUTPUT: Compact float valve design saves space; delivers 20% more water flow than traditional float valves. SAFE AND DURABLE: Made from food-grade 304 stainless steel to ensure drinking water safety. Robust construction with high temperature resistance from 0°C to 100°C. Long service life. WIDE APPLICATION: Fully automatic 304 stainless steel water level control float valve suitable for water tanks, stock tanks, water troughs, pools, ponds, fountains, livestock drinking systems, and other industrial or civil applications. Color: Silver Material: 304 Stainless Steel Size: Approximately 111 x 53.8 x 25 mm Package Contents: 1 x Pool Auto Fill Float Valve Note: Light reflection and display differences may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.