New test from Zentek (wildfire smoke size of 0.4-0.7 microns)

New test from Zentek (wildfire smoke size of 0.4-0.7 microns)

This diagram demonstrates the wildfire smoke size of 0.4-0.7 microns.
 
ZenGUARD has undergone testing for infiltration of submicron particles at 0.1 microns, achieving a PFE of 99.9 according to ASTM F2299.