Features 4.5 in. opening easy fill - permits cleaning the inside of the tank. Seamless tank will not leak. Tank and trough readily clean. No soldered seams where pathogens can hide. Trough can be removed from tank to further assist cleaning. Two built-in handles permit fount to be carried even when full. Tank is marked in 1 gallon increments for medicating. Water capacity - 4 gallon (15.1 liters). Bird capacity - 75 pullets or 150 chicks. Item Weight - 5 lbs. - SKU: ORGL18197