ADCI Supervisor's Handbook Chin Cushion Other differences include: 1) The

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

18-8 stainless steel rivet construction

gas hose will be married to the communications wire

Kirby Morgan Pre 84 replacement neoprene neck dam for SuperLite 17B

jamming and overall pump water while keeping liquids moving fast enough to pump high volumes of solids at a much higher head than non-submersible pumps

ADCI Supervisor's Handbook Chin Cushion Other differences include: 1) TheThe 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