Oh and I should probably include where to get the PA Carbon (phosphorous acid carbon).
I contacted Sara at AAAAircare@aol.com. They do a minimum order of a 20lb bucket which is a 5gal. And from my estimates, I'd imagine the 20lbs would give you about 2 1/2 or 3 total uses with the fan replacing about every 9 months or so depending on size of the room, smell, etc...
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