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Old 02-04-2019, 03:27 PM   #2832
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Join Date: Jun 2001
Posts: 55,690
Can share more on this? So what kind of minimum level of formaldehyde cadr are we looking at to be able to efficiently reduce or remove smell?

Also does 颗粒物 CADR refers to cleaning of particulate matters such as mold, dust, pet dander etc?
If you want to reduce smell or VOCs, a very surface issue, i think for the average room size in Pasir Ris to Punggol, about 200m3/hr ought to be able to do it.
If you are looking at emergency prepping against disasters over at our neighbours, best to do like 400-500 m3/hr.

Yes, 颗粒物 means filtration of mold, dust, pet dander, and also dust mite and dust mite droppings....if they manage to float around due to strong airflow in the room ( eg powerful aircon drafts).
1-hr ug/m3 + PSI
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