Polished aluminum carrier made by UWS (united welding service). It's 51L x 23W x 6D. This fits into the 2" hitch receiver on the rear of an RV.
UWS also make a very nice Lockable polished aluminum cargo box that is made to fit into this carrier perfectly.
I don't have the cargo box but may buy one soon.
More info at this link... http://www.uwsta.com/rec_carrier.html
My LP mode doesn't work on my rialta fridge either! I've removed it 2 times and cleaned the burner box etc etc but still can't gt it to light and stay lit.