Check the listing for details. Ambu Perfit ACE 281000 Neck Adjustable Extrication Collar - One Size Adults. Color: White, Condition: New. Listed at 12.95 USD. Ambu Perfit ACE 281000 Adjustable Collar for Extrication - One Size Adults FREE SHIPPING 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. 16 precise settings for a customized fit within the range of 4 standard adult settingsComes with a flip chin piece for flat storage and pre-shape to fit the chin, and to facilitate intubation and removal of vomitus from the patient's mouthCT and MRI compatible, and comes with a ventilated, posterior shell for fluid drainage.Comprehensive sizing system for easy and accurate sizing Specifications: Made of polyethylene.16 settings from Neckless (size 3) to Tall (size 6)Measures approx. 56 x 18 x 1.5 cm