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Old 21st June 2005, 07:40 PM   #1
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Default off-topic how does electric air freshener work?

Anybody knows?
I mean simple cheap one made as a 'big plug'.
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Old 21st June 2005, 08:24 PM   #2
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AFAIK it's just a little heater, and in some a fan, to warm the freshening agent and wear it out sooner. They last longer if you don't plug them in

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Old 21st June 2005, 08:55 PM   #3
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Location: texas
I have also seen some cheap inonizers that are essentially a high voltage, miniscule current DC power supply. This is applied to needs olr plates or whatever. Line operated units typically used diode/capacitor "ladder" multipliers. I have a cheap unit in my car that is essentially the guts of a CCFL inverter with a cap and diode on the output. This voltage was applied to a mesh wrapped around the outside of a small NE-2 sized blue neon bulb, which had it's leads grounded. It emits a small amount of Ozone, and it manages to remove the stale smelling "Caravan Musk" without adding any "canned new car scent". And the Blue light adds 5 horsepower! It does provide for interesting conversations with passengers on just how useless it is.
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