Large capacity ( 5 liters or 1.32 gallons) Automatic Stock & Pet Waterer. These all-purpose waterers work well for horses, cattle, goats, hogs and dogs. Safely operates between 20-50 psi. Constructed from Nylon with a UV protection. Can be easily installed at any height using lag bolts or U bolts, not included. Threads on the float are 1/2 in MIP with connection on the left side but can be switched to the right. Float has adjustable arm. This also has a drain plug making it easy to clean.