BASICS OF AIR FILTRATION - Price Industries

Table 1 - Partial list of commonly used MERV filter ratings (ASHRAE 2008). Std. 52.2 Minimum Efficiency Reporting Value (MERV) Approx. Std. 52.1 Results Application Guidelines Dust Spot Efficiency Arrestance Typical Controlled Contaminant Typical Applications and Limitations Typical Air Filter/Cleaner Type. 16 n/a n/a. 0.3 to 1.0 µm Particles ...

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Table for air filters (Eng)

PRE Filter (G Class) G2 G3 G4 65% Am< 80% 80% Am<90% 90% Am Gross filter, domestic and commercial Commercial, industrial, paint shop MEDIUM Filter (F Class) NBS>95% F5 F6 F9 ... MERV : Minimum Efficiency Reporting Value 5. MPPS : Most Penetrating Particle Size 6. HEPA : High Efficiency Particulate Air Filter 7. ULPA : Ultra Low Penetration Air ...

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