The Little Giant Trough-O-Matic float waterer automatically controls the water level for most plastic and metal tanks, troughs, barrels and pans. The all-plastic valve delivers up to 245 gallons per hour and operates at pressures from 20 to 50 psi. 

 

The sturdy, popular plastic housing is molded from high-quality polystyrene for strength and durability. Accepts standard 3/4" garden hose.