Kirby Morgan Neck Dam (Standard) Communications the umbilical is the diver’s

the umbilical is the diver’s life line and should always be of excellent quality and maintained carefully

by-feel opening then doubles as a textured leveraging platform for your thumb during cutting

The large collet nut is knurled to assure the diver a solid grasp

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

Christo Lube is an oxygen compatible grease used for lubricating parts

Kirby Morgan Neck Dam (Standard) Communications the umbilical is the diver’sKirby Morgan replacement neoprene neck dam for all Kirby Morgan helmets besides the Superlite 27 and Superlite 17B.