These single wall carbon steel stackable totes have only ever been used to transport Mobil Oil products. They're built to be safely moved around from job-site to job-site full or empty. Designed for fuel or lubricant containment. Inside is rust free. These lockable units can be filled from the top by opening the large hatch. You can add a pump as there's a standard 2" pipe thread opening under the do not remove cap. Product can be pumped out of the unit or, gravity dropped through a cam lock and ball valve system at the base of the unit. Note: the pump you see in the photo is NOT for sale. If interested, you can contact Rod at Enex Fuels 2906 Jacklin Rd Victoria Open Mon to Fri 8am to 4:30pm Due to Covid, We ask that you call before arriving so we can make arrangements in advance. Thank you