Efficiency Selection Guide (MERV ratings)

1Arrestance	1Efficiency	2MERV Rating	Filter Type	Airguard Product Selection
60-80%	Less Than 20%	MERV 1-4	Disposable Panel Filters Permanent Metal Filters Fiberglass Media Latex Coated Natural Fiber Media Foam Media Automatic Roll Media	Disposables Types HS, HD Standard Grade Permalast® Foam Media Types CF, DSF
80-90%	Less Than 20%	MERV 5	Disposable Panel Filters Synthetic Media Automatic Roll Filter Media	Tri-Plex 85® StreamLine™ Polyester Media Types YTS, SHP, DMC, DL-1, DL-2
90-95%	20-30%	MERV 6-7	Self-Supported Pocket Filters Ring Panel Filters Pleated Panel Filters	Activator Series (2 Ply, 3 Ply), Series N, Bio-Pure DP4-SA Bio-Pure, X-treme
95%	30-40%	MERV 7-8	Self-Supported Pocket Filters Ring Panel Filters Pleated Panel Filters	SynPak, Ultra II Bags, DPGT, DP40, DP40-Max, PowerGuard™ (MERV-11), DP Class 1, DPHT Fresh Air™, Fresh Air Supreme™
95-98%	40-50%	MERV 8-9	Extended Surface Pocket Filters	Venti-Pak® VP-4, Clean-Pak, CP-4™
95-98%	50-60%	MERV 9-10	Pleated Panel Filters Extended Surface Pocket Filters Extended Surface Rigid Cell Filters	DP-65 (MERV 11), Venti-Pak VP-5, Clean-Pak CP-5 Vari-Pak, Vari-Pak Model 5
99%	60-70%	MERV 10-11	Extended Surface Pocket Filters Extended Surface Rigid Cell Filters	Clean-Pak CP-6, Venti-Pak VP-6 Bio-Pure Variflow®, Variflow SC, Variflow Compact Series, Variflow II-M, Variflow II-MC, Vari+Plus, Vari-Pak®, Vari-Pak Model S, Bio-Pure, V-Force, Legacy
99%	70-80%	MERV 12-13	Extended Surface Pocket Filters Extended Surface Rigid Cell Filters	Multi-Guard MG-7 DP-green 13
99%	80-90%	MERV 13-14	Extended Surface Pocket Filters Extended Surface Rigid Cell Filters	Clean-Pak CP-8, Venti-Pak VP-8, Multi-Guard MG-8, Bio-Pure Variflow, Variflow SC, Variflow Compact Series, Variflow II-M, Variflow II-MC Vari+Plus, Vari-Pak Vari-Pak Model S, Bio-Pure, Legacy 4, V-Force
99%	90-95%	MERV 14-15	Extended Surface Pocket Filters Extended Surface Rigid Cell Filters	Clean-Pak CP9, Venti-Pak VP-9 Multi-Guard MG-9, Bio-Pure Variflow, Variflow SC, Variflow Compact Series, Variflow II-M, Variflow II-MC, Vari+Plus, Vari-Pak, Vari-Pak Model S, Legacy Bio-Pure, X-treme, V-Force
Does not apply	95% DOP	MERV 16	Extended Surface Rigid Cell Filters	Microguard® 95, Vari+Plus
Does not apply	99.97% 99.99% 99.999% 99.9995%	Not Applicable	HEPA/ULPA Filters	Microguard 99, MicroPleat™

(1) Arrestance and Dust Spot Efficiency ratings are based on the ASHRAE 52.1 – 1992 test method
(2) Minimum Efficiency Reporting Value (MERV) ratings are based on the ASHRAE 52.2 test method