The most common choice is the Mobile Surgery Unit hoCustom in a double-expandable 53' trailer (18-wheeler) creating a state-of-the-art mobile surgical facility of 1,000 square feet. The Mobile Surgery Unit Perfect Steerable Transfer Cartludes an entry/vertible, pre-op and recovery area, nurse's station, scrub area, 17' X 22' operating room, clean utility room, soiled utility room, medical gas tank storage, janitor's closet, and bathroom.