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. It responds quickly and controls water level with clean water at pressure greater than 0.2 kg/cm². Low failure rate, stable performance, and water-saving. LARGE WATER OUTPUT: Compact design saves space; delivers 20% more water flow than traditional float valves. SAFE AND DURABLE: Made of food-grade 304 stainless steel to ensure drinking water safety. Resistant to temperatures from 0°C to 100°C. Long service life. WIDE APPLICATION: Suitable for water tanks, stock tanks, water troughs, pools, ponds, fountains, and livestock drinking water systems. Applicable for both industrial and residential use. Color: Silver Material: 304 Stainless Steel Size: Approx. 111 x 53.8 x 25 mm Package Contents: 1 x Auto-fill Float Valve Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.