charliedontsurf
Medical
Not much of a mystery. I solved it years ago with an email to the company. There also a statement on the site-
"The air is completely isolated from the heating element and flows through only the safest materials"
As for the Extreme being 'A OK' because the air across circuitry being cold, I'll pass on judging that, but I'll also pass on using it.
With all due respect Max, we have no photographs of the HA interior. I respect the company and loved my HA, but still. AFAIK multiple people have photographed the Q in pieces both on and off this forum, yet we have no idea about the HA. For all we know there's a big block of uranium in the air path with "seek chemo" etched into it.
The pictures of the Q internals are less than comforting, I admit.
I think this might be a textbook example of how "safest materials" might be wildly applied to any number of materials given the source. In this case, the HA crew is attempting to say that teflon is the "safest" of materials, which is richer than anything I've allowed myself to eat in a long time.