100 Gallon, Black Stock Tank, 25"H x 31"W x 52"L, Durable Structural Foam, Single Piece Seamless Construction, Engineered To Withstand Cold Weather, High Winds & Ill-Tempered Animals, Rustproof, Dent, Crack & Corrosion Resistant Even When Frozen Solid, Heavy Duty Reinforced Underside Ribs, Caged Heaters & Float Valve Systems Are Accepted, Drinker's Wide, Tilt-Back Opening Makes It Easy For Hogs, Sheep & Goats To Use, 1.5" Oversized Drain Plug, Use For Small Animal Dipping, Disinfecting & Washing, Duramold Construction For Rugged Farm Tough Applications, Large Plastic Drain Is Easy To Open & Use.