Merv Rating Chart - Ultra-Aire SD12 Installation Instructions Manual

MERV Rating Chart

Standard 52.5 Minimum
Efficiency Reporting
Value
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Table Data Source: United States Environmental Protection Agency
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Ultra-Aire SD12 Installation Instructions
AIR FILTRATION
Dust Spot
Efficiency Arrestance
n/a n/a < 0.30 pm particle size
Virus (unattached)
n/a n/a
n/a n/a Carbon Dust
n/a n/a All Combustion smoke
n/a n/a .30-1.0 pm Particle Size
>95% n/a All Bacteria
Most Tobacco Smoke
90-95% >98%
89-90% >98% Proplet Nuceli (Sneeze)
70-75% >95% 1.0-3.0 pm Particle Size
Legionella
60-65% >95% Humidifier Dust
Lead Dust
50-55% >95% Milled Flour
Auto Emissions
40-45% >90% Welding Fumes
30-35% >90% 3.0-10.0 pm Particle Size
Mold Spores
25-30% >90% Hair Spray
Fabric Protector
<20% 85-90% Dusting Aids
Cement Dust
<20% 80-85% Pudding Mix
<20% 75-80% >10.0 pm Particle Size
Pollen
<20% 70-75% Dust Mites
Sanding Dust
<20% 65-70% Spray Paint Dust
Textile Fibers
<20% <65% Carpet Fibers
Typical Controlled Typical Applications and
Contaminant
Cleanrooms
Radioactive Materials
Pharmaceutical Man.
Carcinogenetic Materials
General Surgery
Hospital Inpatient Care
Smoking Lounges
Superior Commercial Buildings
Superior Residential
Better Commercial Buildings
Hospital Laboratories
Commercial Buildings
Better Residential
Industrial Workplace
Paint Booth Inlet
Minimal Filtration
Residential
Window A/C Units
Limitations Typical Air Filter/Cleaner Type
>99.999% eff. On .10-.20 pm
Particles
Particles
Particulates
>99.97% eff. On .30 pm Particles
Bag Filter - Nonsupported
microfine fiberglass or
synthetic media, 12-36 in. deep,
6-12 pockets.
Box Filter - Rigid Style Cartridge
Filters 6 to 12" deep may use
lofted or paper media.
Bag Filter - Nonsupported
microfine fiberglass or
synthetic media, 12-36 in. deep,
6-12 pockets.
Box Filter - Rigid Style Cartridge
Filters 6 to 12" deep may use
lofted or paper media.
Pleated Filters - Disposable,
extended surface area, thick with
cotton-polyester blend media,
cardboard frame.
Cartridge Filters - Graded density
viscous coated cube or pocket
filters, synthetic media.
Throwaway - Disposable
synthetic panel filter.
Throwaway - Disposable
fiberglass or synthetic panel filter .
Washable - Aluminum Mesh.
Electrostatic - Self charging
woven panel filter.
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