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

Table 1 Study RPD particle penetration and airflow resistance

Device name	% penetration^a	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

ISSN: 1471-2334