It appears from the pictures you provided that you have an adapter tee on your RV already that will allow you to connect your portable gas grill and fire pit to your RV.
The MB Sturgis Disposable Propane Bottle Adapter Fitting # 204132-MBS will be the adapter you need. This will plug into the tee that is sticking out toward you and then you'll connect your existing hose to this adapter. view full answer...
Yes, we sure do!
For your Ignik FireCan Fire Pit Rocks # GN47FR, you can use the Ignik FireCan Portable Fire Pit with 5' Hose - Propane # GN24FR.
This is a portable fire pit that works great with the Ignik FireCan Fire Pit Rocks # GN47FR, measures 7-1/8" long, 15-1/4" wide, 11-3/8" tall and includes a quick-connect hose with Type 1 fitting and adjustable regulator. view full answer...