Virtually identical to DAT15T but 22′ L. Mobile Self Contained 22’ Decontamination Mass Casualty Undress / Shower / Redress Single Line Unit (2 line is optional) with generator, clean and brown water holding tanks, detergent injection system A self-contained trailer mobile cleansing decon unit capable of providing hot H2O/electricity in a double wide 4 shower head unit (2 shower heads in a single line is standard) in situations where permanent facilities are N/A.