Use to convert tanks or barrels into automatic stock waterers. Requires little attention and keeps open tanks filled with freshwater. Adjustable to several heights. Install by hanging plated brackets over edge of tank. Designed to operate on pressure up to 70 psi or from gravity flow with optional special orifice. Precision die-cast, durable molded float and molded non-siphoning unit. Complies with basic anti-siphoning regulations. Has a replaceable non-siphoning unit. 300 gph.