Roto-cast polyethylene one-piece body for durability Electric heat optional
Model Part# Length (in/cm) Base Width (in/cm) Base Drinking Height (in/cm) Wt (lbs) Capacity Type of Heat Trough Capacity (gal/liters)  Water Matic 16425 30/76.2 18/45.72 18/45.72 30 40 horses Optional Electric 5/18.9