If you thought you couldn't install automatic waterers in your barn, think again! This dependable, float-controlled model simply hooks up to a standard 3/4 inch garden hose to automatically deliver fresh water 24-7 in above-freezing temperatures. The large 4-gallon capacity is perfect for thirsty horses. Includes a durable metal float cover and metal brackets for over-the-fence or on-the-wall installation (hardware not included). Molded from impact-resistant polyethylene resin. Operates at pressure between 20 and 50 psi. Includes 30 inch of hose with a female hose attachment. Measures 14.25 inch long by 17.5 inch wide by 10.75 inch high.