The standard airhole on the RM2 is 1.2mm @WARMACHINE
For me, that yields the PERFECT mouth to lung air setting
I have not widened any of my RM2s - because I love it like that
I know @Alex widened his - I think to 2mm - for a restricted lung hit
For me, that yields the PERFECT mouth to lung air setting
I have not widened any of my RM2s - because I love it like that
I know @Alex widened his - I think to 2mm - for a restricted lung hit