Posts by Rudi Lee
A PSI reading of 0-50 is considered good, 51-100 is moderate,
A PSI reading of 0-50 is considered good, 51-100 is moderate, 101-200 is unhealthy, 201-300 is very unhealthy and above 300 is hazardous. A smoke haz...
A PSI reading of 0-50 is considered good, 51-100 is moderate, 101-200 is unhealthy, 201-300 is very unhealthy and above 300 is hazardous. A smoke haz...
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