I have never had a rv with a box spring, only the top mattress. If it is toast I would just cut it in half with a saw if it would not got out.
Someone had to put it in there and it was likely the last thing done so it should come out.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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