ADCI Supervisor's Handbook Chin Cushion Length: 15” / 38 CM

Length: 15” / 38 CM

Other differences include: 1) The main exhaust body of the BandMask® 28 is part of the frame itself and uses a #545-041 main exhaust cover 2) no comfort insert is required on the “28” 3) the face ports for the 18 and the 28 differ slightly in size

If you have any other helmet or regulator

and an adjustable collar

gas hose will be married to the communications wire

ADCI Supervisor's Handbook Chin Cushion Length: 15” / 38 CMThe ADCI's Supervisor Handbook offers commercial diving supervisors and other personnel a concise, field friendly resource guide that contains USN dive tables, USN Diving at Altitude tables, USN treatment tables, medical reference material, and a whole host of other reference materials. The Supervisor Handbook also includes salvage and diving formulas, rigging charts, crane signals, and the Delta P checklists for contractors. This book is a must have