Mar 7, 2021 #1 21 210craig Advanced Member Joined Jul 8, 2010 Messages 48 Location San Antonio On a 397 the factory king mattress is 69x84×6 per label on bag. The slide box is 70 side to side. Shopping I assume everybody is buying a 70x80 unless you go to one of the custom places?
On a 397 the factory king mattress is 69x84×6 per label on bag. The slide box is 70 side to side. Shopping I assume everybody is buying a 70x80 unless you go to one of the custom places?
Mar 7, 2021 #2 Gronk1 Senior Member Site Sponsor RV LIFE Pro Joined Feb 13, 2018 Messages 705 Location Northern California Our 310GK came with a 72x80 King. We replaced it with a 70x80 & really like it. It has a little wiggle room on each side.
Our 310GK came with a 72x80 King. We replaced it with a 70x80 & really like it. It has a little wiggle room on each side.