get the low end Panaflo's they put out enough air wihtout haveing to lower the voltage. I made the mistake of ordering two high and two low end panaflo's and when I cut the voltage on the high end ones they don't put out near the amount of air the low end ones do. and are just as loud. I orderd two more low end 120's and I'm going to scrap the high end 120's.
Just my 2 cents,
Soupy
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