I don't think your pic is of the new standard offering box that I was talking to them about. It looks too short. ...but maybe I am wrong...
The new box they think will fit what I was afraid was a custom need will carry three Jerry cans in a top interior compartment and a Honda 2000 generator in a lower interior compartment. It did sound like a single door with a better seal (a seal similar to what your photo shows). There is an option to have the rail on the top or not.
This brings it to a height that if a bike rack were mounted on the top that it would clear a 37 inch tire mounted on the other end of the bumper.
Greg in Austin
2008 Ford 6.0PSD EB/E-PH SMB 4X4 Aluminess f/r bumpers (13.5mpg avg, 15mpg hwy) 52k miles [Texas McBeast]
2006 Toyota Prius (48 to 68 mpg) 120k miles [Penelope]
2013 Jeep Wrangler Unlimited Rubicon (15 to 18 mpg) [Johnnie]
2012 Mitsubishi MiEV (no gas required) ($.50/day in electricity) [Evie]