| Pros;
Less to go wrong
Easier to setup (generally)
Get more duration out of your lime
Can be run without PO2 monitors (more advisable with some designs than others)
Dont need HP O2.
Cheaper (or certainly should be!!)
Can be small and lightweight.
Cons;
Not bubble free.
To get deco efficiencies, needs multiple drive gases
Not as gas efficient (tend to max out around 10:1) |