Dually Extend Size:Dually Extend 72 then the Duo is what

then the Duo is what you want

durable outdoor-ready drop-stitch base

Comfort Built-In: 2" high-density foam mattress over an anti-condensation mat to reduce moisture under bedding

But it is nice to keep it as a spare

1-150 psi in Manual Mode

Dually Extend Size:Dually Extend 72 then the Duo is whatThe Dually Extend expands the sleeping area of the Dually by maximizing extra space with HESTs enhanced memory foam. The Extend easily attaches to HEST Dually modelsDually Extend 72 for the Dually Wide and Dually Extend 78 for the Dually Long or Queenoffering a larger mattress area suitable for slide outs in campers, larger RTTs, and RVs. It can also be used alone on benches or other narrower spaces. SIZING GUIDE "I've slept on at least 30 different