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Table 1 Study RPD particle penetration and airflow resistance

From: The Respiratory Protection Effectiveness Clinical Trial (ResPECT): a cluster-randomized comparison of respirator and medical mask effectiveness against respiratory infections in healthcare personnel

Device name % penetrationa Resistance (mmH2O)a
N95 respirators
3 M 1860/1860S 0.7 8.9
3 M 1870 0.3 9.6
Kimberly Clark Technol Fluidshield PFR95-270/274 1.4 11.7
Medical Masks
Precept 15320 12.9 4.1
Kimberly Clark Technol Fluidshield 47107 10.3 4.5
  1. aAverage value from 3 replicate measurements