For your after-market installation of your generator, fuel tank, etc. Completely enclosed 3' compartment in front 3' of gooseneck riser. Includes: Double door front riser access with expanded metal in doors. 3' of expanded metal floor deck starting at front of riser. Plywood wall from floor deck to ceiling across full width of riser at 3' back from front of riser, white or mill finish metal on all inside walls and ceiling of compartment. Note: Add expanded metal sides, roof vents, etc separately.