Moldex 7400 Respirator Cartridge — Ammonia And Methylamine (Traditional, Moldex 7000/9000) 20SA10 for acid gas with dust

for acid gas with dust but no organic vapor

and Class 2 requires 775-plus square inches of fluorescent material and 201-plus square inches of retroreflective tape for traffic up to 50 mph

This is the slimmest cup in the 3M PELTOR X-Series

95 is harsher still — subtract 7 from the NRR

Moldex 7400 Respirator Cartridge — Ammonia And Methylamine (Traditional, Moldex 7000/9000) 20SA10 for acid gas with dustEDITORIAL REVIEW: 4. 4 5WC Safety Review Moldex 7400 Respirator Cartridge Best For: ammonia and methylamine exposure with little or no dust on Moldex 7000 7800 9000 respirators. Not For: dust, mist or organic vapor, acid gas or particulate. It is a gas cartridge only. Bottom Line: the traditional ammonia and methylamine choice for the Moldex bayonet system. Add a 7740 filter or the 7467 combo when particulate is present. Editorial assessment by Steven