Cleans small commercial pools in less than four hours. KingShark is made especially for smaller commercial pools, but performs with the same ease and efficiency as larger units. KingShark can clean pools up to 30' x 60' in less than four hours. Just plug it in and it's ready to go. It's completely automatic, with no hoses or hook-ups required. Remove the KingShark when your pool is clean and simply rinse the removable filters.