MK 8 was the same as a MK 5 but with no turret.
Mk 6 was also the same as a Mk 5 but had an odd ball pneumatic yoke....put the yoke in place, turn on the air and presto...the pressure held it in place...or that was the idea anyway.
Here is a cool site with all sorts of regulator info: http://www.scubacollector.de/html/singlehose_regs_scubapro.html
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Mk 6 was also the same as a Mk 5 but had an odd ball pneumatic yoke....put the yoke in place, turn on the air and presto...the pressure held it in place...or that was the idea anyway.
Here is a cool site with all sorts of regulator info: http://www.scubacollector.de/html/singlehose_regs_scubapro.html
c
