Ergo Inflator - The standard inflation and deflation control device used in sanctioned training programs. Intuitive use and secure grip. Classic Bladder - Air-cell enveloping diver on the sides and back. High lift capacity and very comfortable position on the surface characterize this bladder design. Small Size - Innovative diaphragm design and component layout result in tangible reduction of dimensions. Enjoy unique wearing comfort and easiest handling and storage.