
In the first movie it's all trademark Aqualungs and other early US Divers gear.
The second movie features Scott Hydro-Paks. Very neat to see in action!
And the third movie uses Northill Air-Lungs! I had no idea those were used. Probably one of the few times Northills can be seen in operation? Of course when I saw these movies years ago I wasn't paying attention to the types of equipment used...