Lil' Spring 3200 - 25 GallonsThe Lil' Spring 3200 4' Watering Trough has a drinking height of 24". It's constant flow of water allows for the freshest water to help keep your livestock healthy. It has rounded edges and is very durable. This unit holds up to 25 gallons of water and is compatible with a heater for the cold winter months. Compatible with a Miraco Heater Kit (sold separately). Large access panel for easy access to valve area Access panels at both ends Installs easily