99.97%
= micron
99.9%
efficient at
filtering particles
1 micron or larger
dust
mite
tobacco smoke
pet
dander
yeast
viruses
carbon black
mold
hair
.12
ProTeam HEPA
BACKPACKS & CANISTERS
efficient at filtering
particles .3 micron or larger
ProTeam True ULPA
BACKPACKS
efficient at filtering
particles .12 micron or larger
heavy industrial dust
pollen
SMALLER
LARGER
1 micron = 1/25,000 in.
bacteria
F
O
U
R
L
E
V
E
L
F
IL
T
R
A
T
IO
N
H
E
P
A
U
L
P
A
99.999+%
ProTeam
BACKPACKS &
CANISTERS
This chart illustrates how effective ProTeam’s
different filtration systems are in
capturing
and containing
particles of a particular size.
P R O T E A M ’ S
F I LT E R E F F I C I E N C Y C H A R T
ProTeam backpacks & canisters with Four Level
®
Filtration
are
99.9%
effective
at capturing and containing
particles measuring or larger.
HEPA
A HEPA (High Efficient Particulate Air)
filter is a throwaway, extended-medium,
dry type filter in a rigid frame having
a minimum particle collection efficiency
of 99.97% (that is, a maximum particle
penetration of 0.03%) for 0.3-µ particles.
ULPA
An ULPA (Ultra-Low Penetration Air)
filter is a throwaway, extended-medium,
dry type filter in a rigid frame, having a
minimum particle collection efficiency of
99.999% (that is a maximum particle
penetration of 0.001%) for particles in
the size range of 0.1 to 0.2 µ.
∑
t e c h n i c a l d e f i n i t i o n s . . .
Source— Robert A. Woellner, President, Senior Scientist. Quality Environmental Services & Technologies Inc.
6
