The AMBU® Perfit ACE extrication collar is designed to assist with the maintenance of neutral alignment, prevention of lateral sway, and anterior-posterior flexion and extension of the cervical spine during transport and routine patient care or movement. ACE is the only adjustable one-piece rigid cervical spine immobilization device with 16 precise settings for a customized fit within the range of 4 standard adult settings. Radiolucent, CT, and MRI comnpatible. Stores completely flat. Ambu Perfit ACE is an ideal device for cervical support.