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 in garden hose to automatically deliver fresh water 24-7 in above-freezing temperatures. The large 4 gal capacity is ideal for thirsty horses. Includes 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 in of hose with a female hose attachment.