Submitted by gtmattz t3_11awrzx in askscience
[deleted] t1_j9wde2p wrote
Reply to comment by [deleted] in Will a bag of activated charcoal actually passively purify the air in a room? by gtmattz
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[deleted] t1_j9wi8y7 wrote
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Submitted by gtmattz t3_11awrzx in askscience
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