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ASHRAE 52.1 1992 - Dust Spot Efficiency ASHRAE 52.2 1999 Particle Size Efficiency EN 779 2002 Courtesy of: 2820 South English Station Road Bob Burkhead Louisville, KY 40299 Blue Heaven Technologies 270 887 9431 270 887 9431 [email protected] 80% F9 90% 95% F7 F8 MERV 13 MERV 14 80% 85% 90% 95% MERV 15 25% 20% 30% 35% MERV 2 MERV 6 MERV 7 MERV 8 55% 40% 60% MERV 9 MERV 10 40% 45% 50% F5 F6 G2 G3 G4 65% 80% 70% 75% MERV 11 MERV 12 65% and MERV 16 Average Arrestance MERV 1 MERV 3 MERV 4 MERV 5 60% G1 90% per EN 779 and ASHRAE 52.2 Average Efficiency on .4 μm particulate per EN 779 (correlates closely with 52.1 Dust Spot)

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Page 1: ASHRAE+52.1+vs+52.2+vs+EN+779

ASHRAE 52.1 1992 - Dust Spot Efficiency

ASHRAE 52.2 1999 Particle Size Efficiency

EN 779 2002

Courtesy of:

2820 South English Station Road Bob BurkheadLouisville, KY 40299 Blue Heaven Technologies270 887 9431 270 887 9431

[email protected]

80%

F9

90% 95%

F7 F8

MER

V 13

MER

V 14

80% 85% 90% 95%

MER

V 15

25%20% 30% 35%M

ERV

2

MER

V 6

MER

V 7

MER

V 8

55%

40%

60%

MER

V 9

MER

V 10

40% 45% 50%

F5 F6G2 G3 G4

65% 80%

70% 75%

MER

V 11

MER

V 12

65%

and

MER

V 16

Average Arrestance

MER

V 1

MER

V 3

MER

V 4

MER

V 5

60%

G1

90%

per EN 779 and ASHRAE 52.2

Average Efficiency on .4 µm particulate per EN 779(correlates closely with 52.1 Dust Spot)

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