RM2: Considered 'The REO standard' and sets the bar for most comparisons. Single coil only, brass construction, ceramic base, delrin drip tip - easy build and a flavour beast (RM is a bottom fed Triangle atty)
RM3: Option of either a single coil version or a dual coil version, stainless cap and base, stainless drip tip - tighter build area on dual coil, but another flavour beast (RM3 is a bottom fed A-6 atty)
RM4: Dual and single coil, airflow control, full stainless including the wider drip tip - plenty of build area, cloud beast and good flavour (RM4 is a bottom fed Atomic clone atty)
RM5: Dual coil only, airflow control, full stainless (drip tip included?) - plenty of build area, cloud beast (RM5 is bottom fed Double Cross atty)
I provided at the end of the descriptions what each 'RM' was before is modded into a bottom fed atty.
I went for the RM4 - had the most versatility, and can really adjust to just about anything (you won't get the level of flavour as the smaller RM2 or 3 though, but still really good). I also prefer the wide drip tips like what comes with the RM4.
- Bboy