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Cha
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Filter Type Appropriate Use
HEPA
2' 3707900
3' 3707901
4' 3707902
HEPA filters are high-efficiency particulate
air filters having a particulate removable
efficiency of 99.99% for particles with a
diameter of 0.3 micron.
Organic Vapor
Activated Carbon
2' 3937200
3' 3937300
4' 3937400
Adsorbs organic compounds designated by
NIOSH guidelines as acceptable for use with
chemical cartridge-type respirators.
Concentrations in the enclosure’s work area
must not exceed the IDLH for the chemical
and the exhaust from the enclosure must not
exceed the TWA.
Formaldehyde
(Formalin)
2' 3937201
3' 3937301
4' 3937401
Formaldehyde requires the use of an
impregnated carbon for the treatment of
formaldehyde. Concentrations in the
enclosure’s work area must not exceed the
IDLH for the chemical and the exhaust from
the enclosure must not exceed the TWA.
Ammonia and
Amines
2' 3937202
3' 3937302
4' 3937402
Treats ammonia, low molecular weight
amines and other bases designated by NIOSH
as acceptable for use with ammonia cartridge
type respirators. Requires the use of an
impregnated carbon. Concentrations in the
enclosure’s work area must not exceed the
IDLH for the chemical and the exhaust from
the enclosure must not exceed the TWA.
Important: Carbon filters do not provide any
particulate protection, but provide odor control.
Connecting the Electrical Supply
Source to the Filtered Enclosure
115V Models
Simply connect the 115V power cord supplied to the IEC electrical
supply plug on the back of the enclosure. If using at 50 Hz
operations, blower performance maximum airflow will be reduced
by 17%.
For the remote blower used for XPert Stations, follow the wiring
diagram in Appendix C and wire the blower wires in the electrical
junction box located behind the front panel. These wires are
switched by the electrical relay via the blower switch.
HEPA
Carbon
Carbon
Carbon
XPert
System
XPert
Station