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If you're in a wildfire affected area, change your air filters.

Geoffrey Cubbage@geoffreycubbage.bsky.social

Update: well that’s wild y’all. Filter on top is a clean, unused one fresh out of its packaging. Filter on bottom was the same when I installed it yesterday evening; this is what it looks like after roughly 24 hours of HVAC in Chicago’s blanket of wildfire smoke.

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