The FSI DATâ„¢4099S 5-line Mass Casualty Decon Shower System decons five and/or up to ten non-ambulatory, five and/or up to ten ambulatory personnel or any combination. The unit is approximately 15' W x 23' L x 9' H, weighing 325 lbs. Configuration: undress area is 5' L; shower area is 13' L; redress area is 5' L. Approximately 335 sq.-ft. total.FSI North America, Berea, OH.