Never seen one before, but almost looks like a catch pan and drain for any water that may get past the seals? Is there one of those contraptions on the other end of the slide? Did you purchase this camper new? Reason I ask, is just curious if this was a quick fix for a leak.
John and Rebecca Dickson
Emma-7 / Little John-5 / Iva-1
Full Timing Again, Rev B
2013 Ford F-350 Lariat CC LB PSD
2015 SOB TT - With OC's Awning Poles (#8)
At least in Heaven, RVs will be perfect, and I won't have to keep fixing them.