Little Giant TM830 Valve, Metallic Little Giant Trough-O-Matic Float Valves automatically control the water level for most plastic and metal stock tanks, troughs, barrels, and pans. The all-metal valve flows up to 245 gallons per hour and operates at pressure between 20 and 50 psi. Durable aluminum housing with nylon orifice. Accepts a standard 3/4 inch garden hose. Measures 7.5 inch long by 3 inch wide by 3.5 inch high. Features All parts are replaceable Easy to install Keeps open tanks filled with fresh water 375 gallon per hour capacity USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.