The new ESAB EPR-X1 P3 main filter for the new ESAB EPR-X1 PAPR unit - product number 0700500903.
 ESAB’s fresh air fans are supplied with a main  P3 type filter which gives the highest HEPA filtration efficiency of 99.8% according to ESAB.
The two filter used in ESAB units filter out both solid and vapour borne damaging particles in the smoke. This means that particles containing chemical elements like aluminium, barium, cobalt, chrome, copper, manganese and nickel are caught by the main filter.