DT-4049E respiratory filter, red/white, filtertype reactor-Hg-P3, 1 unit(s)DT 4049E respiratory filter, red white, filtertype reactor Hg P3, EN 14387 Acc. to EN 14387 (gas and combined filter). With EN 148 1 standard thread. Suitable for respiratory half masks and full face masks with standard thread connection. Half masks are only suitable for filters weighing up to 300 g. Low breathing resistance High capacity, long life Technical Information For protection against mercury vapours and compounds, radioactive iodine and its