Heavy-duty steel construction. Items #109581 , #109582 and 109583 include float gauge and locking vented fill cap. Check local ordinances regarding possession and use. Not UL approved. U.S.A. Inlet Size in. 2 NPT, Includes Locking vented fill cap and float gauge, Drain Size in. 1 NPT, DOT Approved No, Outlet Port in. 2 NPT, Mounting Type Skid, Tank Type Fuel transfer, Material Type Steel, UL Not UL approved, Tank Size gal. 285, Lockable Yes, Tank Dimensions L x W x H in. 60 x 38 x 38.