HP-2J Hao Pak Ambulance Chair Stretcher Medical Stretcher Sizes Dimensions Adjusted For EmergencyTechnical features: 1. Ambulance Chair Stretcher Rectangular, tubular aluminum construction provides durability and strength. 2. Ambulance Chair Stretcher Adjustable backrest angle from 0 to 75 degree, allows patient to be in a comfortable position during transport. 3. Ambulance Chair Stretcher Converts to a wheeled chair for maneuvering in close quarters or to fit into elevators. 4. Ambulance Chair Stretcher is used Automatically in and out of the