Overview The Dare-O-Matic 300 GPH Plastic Float Valve is a reliable automatic fill valve designed to maintain consistent water levels in livestock stock tanks, troughs, and water systems. With a 300 gallon-per-hour flow rate, it keeps tanks topped off without manual intervention — saving time and ensuring animals always have access to fresh water. Key Features 300 GPH flow rate for fast, efficient tank refilling Automatic float mechanism maintains consistent water levels Durable plastic construction resistant to corrosion and weathering Easy to install in standard stock tanks and water troughs Reduces manual watering labor on the farm or ranch Specifications Flow rate: 300 GPH Material: Plastic Weight: 2.5 lb Brand: Dare-O-Matic Sold individually (each) Best For Auto-filling livestock stock tanks, troughs, and water systems Cattle, horse, sheep, and other livestock watering applications