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مقدمة:Wanqing Water Bowl for cows is large, deep, easy to clean and lightweightThe smooth plastic material is strong but flexible, withstanding bumps and pressure. Every bowl is strictly tested at the factory for quality. 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 areavailable for gravity (less than 20 psi) or high pressure (higher than 50 psi).Flow rate is 3.7 gpm at 40 psi.