The low profile design of this 3.5 gallon direct fill spill containment box for example, makes it an excellent choice for a standby generator spill box.  Furthermore, its low profile design is excellent for height restricted areas.   In addition, the box is compatible with all ethanol blended fuels.  It catches drips and spills from the fill nozzle.   This fuel tank spill box comes with a hinged lockable lid.  This lid is mounted with two hinges.  The spill box has a 2″ x 4″ NPT.   For installation it screws into the tank fill riser.   It is made of 14 gauge steel and weighs 18 lbs.   The dimensions are 15″ x 15″ x 5″.   The sides are 5″ high.  This direct fill spill containment box will work for any type of fuel tank application, but its low profile design has proven valuable on diesel fuel tanks for a standby generator spill box.