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Old 03-05-2019, 01:16 PM   #2861
Junior Member
Join Date: Dec 2007
Posts: 50
hey guys, there is a lot to read here. I'm thinking of getting an AP but not sure if it's worth the investment. Currently NEA PM2.5 reading is 17, how clean can each of the various AP models bring down from this number? (according to laser measurement and not AP's inaccurate reading. There seems to be lack of test done on each AP with laser readers)

Is single digit PM2.5 possible?

Can you really smell/feel the difference in air quality at single digit?
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