none 

Statements about this table:
the particulate size approach 100% retention , with a usage of semi hepa and a class of h12 be >0.5µm
performance 60 - 80% have a test standard of b en779 and a particulate size approach 100% retention of >2µm and a class of f6
performance 99.995% have a usage of hepa and a class of h14
class f5 use secondary filter on the standard test b en779
class h12 have a minimum performance value of 99.5% and use semi hepa
performance 60 - 80% have a test standard of b en1822 , and a particulate size approach 100% rentention of >0.5µm , and a class of f9
performance 99.995% have a usage if semi hepa and a class of h10
particulate size approach 100% retention of >1µm hasa usage of secondary filter and a class of h12
the test standard b en1822 in class h14 , have a performance of 65 - 80%
the class h11 , semi hepa usage , have a 90% performance rate
the h12 class have a particulate size approach 100% retention of >0.3µm and its usage be secondary filter
usage
class
performance
performance test
particulate size approaching 100% retention
test standard
primary filters
g1
65%
average value
>5µm
bs en779
primary filters
g2
65 - 80%
average value
>5µm
bs en779
primary filters
g3
80 - 90%
average value
>5µm
bs en779
primary filters
g4
90% -
average value
>5µm
bs en779
secondary filters
f5
40 - 60%
average value
>5µm
bs en779
usage
class
performance
performance test
particulate size approaching 100% retention
test standard
secondary filters
f6
60 - 80%
average value
>2µm
bs en779
secondary filters
f7
80 - 90%
average value
>2µm
bs en779
secondary filters
f8
90 - 95%
average value
>1µm
bs en779
secondary filters
f9
95% -
average value
>1µm
bs en779
semi hepa
h10
85%
minimum value
>1µm
bs en1822
usage
class
performance
performance test
particulate size approaching 100% retention
test standard
semi hepa
h11
95%
minimum value
>0.5µm
bs en1822
semi hepa
h12
99.5%
minimum value
>0.5µm
bs en1822
hepa
h13
99.95%
minimum value
>0.3µm
bs en1822
hepa
h14
99.995%
minimum value
>0.3µm
bs en1822