Dive 1st Aid FAK371 Commercial Diving Bell Kit Underwater Breaker The large collet nut is

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

Kirby Morgan 525-745 Head Cushion Foam Spacer (HCFS) Kit

The Catalina Aluminum 53cuft

Neck Ring 1 510-481 O-ring 2 510-483 O-ring 1 510-490 O-ring 1 510-550 Valve

makes it easy to use in confined and hard to access locations

Dive 1st Aid FAK371 Commercial Diving Bell Kit Underwater Breaker The large collet nut isThe Commercial Diving Bell Kit is required by DMAC for commercial dive operations. When combined with our Commercial Diver HRU (Hyperbaric Rescue Unit) and Commercial DMAC Medical First Aid Kit they are compliant to the standards set by DMAC (Diving Medical Advisory Committee) associated with IMCA (International Marine Contractors Association), while also meeting those set by the ADCI (Association of Diving Contractors International), USCG (United