Forstal Water Bowl for cows is large deep easy to clean and lightweight. The smooth plastic material is strong but flexible withstanding bumps and pressure yet keeping its shape. Every bowl is strictly tested at the factory for quality. Approved non-siphoning bowl comes ready to install with 3/4" top and bottom inlets and frost plug. Bowl comes with standard pressure valve for 20 to 50 psi but others are available for gravity (less than 20 psi) or high pressure (higher than 50 psi). Flow rate is 3.7 gpm at 40 psi. An optional horse paddle is available to adapt the bowl for horses. Optional U-Clamps are available for 2" or 3" pipe. Wt. 1.5 lbs.