These are 250 gallon water storage tanks. Has only been used to fresh water. The tank shows some signs of use, including minor discoloration and a bit of residue inside, consistent with its age and previous function. However, there are no visible cracks or significant damage that would compromise its integrity. The outlet fitting bushes down to 3/4 pex. $300 for both but will separate if desired. Don’t have the lids: FCFS No Holds.