When both particulates and gases/vapors toxic by inhalation are anticipated to be in your breathing zone during handling, the pesticide label will specify respirators with both a chemical purifying element and a particulate filter. Combo cartridges for non-powered air-purifying respirators can have either N, R, or P rated filters. Combination chemical cartridges for powered air-purifying […]
Cartridge
Cartridge and Canister Use Limitations
The effective service life of any chemical cartridge or canister depends on the conditions of use. Conditions that impact service life are: type and concentration of pesticide as well as other contaminants; user’s breathing rate; relative humidity; and temperature. For a given pesticide, the higher the concentration of the contaminant gases or vapors, the shorter […]