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90 points thatcat | 2 comments | 09 Jan 20 22:30 UTC | HN request time: 0.418s | source

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feistypharit ◴[10 Jan 20 03:30 UTC] No.22008103[source]▶

>>22006595 (OP) #

I can't figure out what kind of common air filter would filter out natural gas?! Am I won't out would they have never worked for their intended purpose?

replies(2): >>22008114 #>>22008256 #

1. feistypharit ◴[10 Jan 20 03:33 UTC] No.22008114[source]▶

>>22008103 #

Damn auto correct. "Am I wrong or"..

replies(1): >>22008277 #

2. sp332 ◴[10 Jan 20 04:23 UTC] No.22008277[source]▶

>>22008114 (TP) #

You should still be able to edit your comment. There's a two-hour window.

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A review of the effects of installing air filters in classrooms