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Time Use Limitations
1. If respirator becomes damaged, leave the contaminated area immediately and repair or replace the
respirator.
2. Replace filters in accordance with the filter Time Use Limitations.
3. Replace cartridges in accordance with an established change schedule or earlier if smell, taste or irritation
from contaminants is detected.
NIOSH Cautions and Limitations
The following restrictions may apply. See NIOSH Approval Label Matrix.
A- Not for use in atmospheres containing less than 19.5 percent oxygen.
B- Not for use in atmospheres immediately dangerous to life or health.
C- Do not exceed maximum use concentrations established by regulatory standards.
D- Air-line respirators can be used only when the respirators are supplied with respirable air meeting the
requirements of CGA G-7.1 Grade D or higher quality.
E- Use only the pressure ranges and hose lengths specified in the User’s Instructions.
F- Do not use powered air-purifying respirators if airflow is less than four cfm (115 lpm) for tight fitting
facepieces or six cfm (170 lpm) for hoods and/or helmets.
G- If airflow is cut off, switch to filter and/or cartridge or canister and immediately exit to clean air.
H- Follow established cartridge and canister change schedules or observe ESLI to ensure that cartridge and
canisters are replaced before breakthrough occurs.
I- Contains electrical parts which have not been evaluated as an ignition source in flammable or explosive
atmospheres by MSHA/NIOSH.
J- Failure to properly use and maintain this product could result in injury or death.
L- Follow the manufacturer’s User’s Instructions for changing cartridges, canister and/or filters.
M- All approved respirators shall be selected, fitted, used, and maintained in accordance with MSHA, OSHA,
and other applicable regulations.
N- Never substitute, modify, add, or omit parts. Use only exact replacement parts in the configuration as
specified by the manufacturer.
0- Refer to User’s Instructions, and/or maintenance manuals for information on use and maintenance of
these respirators.
P- NIOSH does not evaluate respirators for use as surgical masks.
S- Special or critical User’s Instructions and/or specific use limitations apply. Refer to User’s Instructions
before donning.