Change Notification: Lid options available on 300 Gallon Horizontal Tank


Den Hartog Industries would like to announce changes to our popular 300 gallon Horizontal Tank.   Effective with new production this tank will be available with the standard 8” lid as well as the 5”, 7”  and 12” lids.  The 300 gallon horizontal tank is for indoor or outdoor, stationary or transportable applications.  Two strap recesses are provided to facilitate anchoring.  Tank requires the bottom to be fully supported with cradle for use.


  • Available with a 5”, 7”, 8” or 12” Vented Lid Assembly with         Lanyard
  • 3/4” & 1-1/4” FPT polypropylene fittings with Santoprene            gaskets are standard.
  • Gallon indicators are included one end and one side of the tank
  • Ends of tank feature fitting flats for installation options
  • Designed for containment of liquids with a  specific gravity of 1.7 or lower.
  • Tanks are manufactured from medium-density  polyethylene with U.V. stabilizers.

Standard colors available are white and yellow.

To view this and other storage options, visit the Horizontal Tank webpage.