Agri-Farm Products 1230 Hook-Over Feeder. This feeder has a 53 qt / 50 L capacity. This allows you to hold a decent amount of food or water so you don’t have to come back to refill it. This trough has the same capacity as the 1200 trough, but is about 5 inches taller. This feeder hangs lower as the two large hooks are longer and allows it to hang over fence rails that are further spaced apart. No hardware is needed for installation as the trough simply rests on the fence rails. It’s easy to lift up and wash out. This 1230 Trough has UV protection in order to ensure a long life and durability. It is produced from raw material and additives that are approved for food contact.