Aluminum Barn Wall Mount Push Valve Horse Waterer, 48 ozAluminum Horse Push Waterer, 48 oz A heavy duty aluminum waterer that will last forever! The Aluminum Push Horse Waterer is made with a push valve that is loose enough to not be uncomfortable on your horse's nose, but also not loose enough to worry about overflow. Comes with (4) heavy duty screws for attaching to the barn stall wall. How to Use: To be used with 3 4" plumbing. The water flow can also be controlled with 1 2" flow adjustment at the top