Boy Mark, I don't know but it sounds like it is going to be costly. I'd
try to go back to J.H. Emerson and ask them if they are aware of any
models that do work with their equipment. By the way, since it is
likely that it will be expensive, you might try finding a rental company
that has one once you find a model number.

Peace, Larry

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-----Original Message-----
Here's an update on my quest for a power inverter.
First off my main piece of equipment I want to run off
the inverter is the Cough Assist. I emailed the Cough
Assist folks and I just got their reply.

They said the CoughAssist requires a true-sine-wave
inverter with a minimum of 250 watts. They said the
CoughAssist will not function properly with a typical
square-wave or modified square-wave inverter.

Anybody know where I can get a 250 watt true-sine-wave
inverter that can plug into a cigarette lighter? Any
help would be appreciaed.