Water tank. Liquid, water or fluid conainer. Triple rinsed. 550 gallon, heavy duty, with 12" threaded cap top opening and 2" banjo coupler for discharge. Haul water for trees, catch rain water or store used oil, are just a few uses for this. A well built transport contai er. Can be moved with pallet forks wheen full. Can be moved with 2 people when empty.