ALWAYS DRY FIT THE 5000SERIES UNIT IN THE VEHICLE TO MAKE CERTAIN THAT THE UNIT FITS CORRECTLY.DEFINITION OF REMARKS 1.RAISED RIBBED ROOF 2.INVERTED RIBBED ROOF.3.DOUBLE ROOF SKIN.4.FIBERGLASS ROOF SKIN.5.OPTIONAL OVERHEAD CONSOLE.6.OPTIONAL REAR AIR CONDITIONING.7.STATIONARY ROOF RACK ...