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AHU Filter Selection Guide

  • AHU Efficiency Selection Guide

    Arrestance Efficiency MERV
    Rating    		 European
    Efficiency
    Class    		 Filter Type
    60 - 80% Less than 20% MERV 1-4 G1, G2 Disposable Panel Filters
    Permanent Metal Filters
    Fiberglass Media
    Foam Media
    Automatic Roll Filter Media
    80 - 90% Less than 20% MERV 5 G3 Disposable Panel Filters
    Synthetic Media
    Automatic Roll Filter Media
    90 - 95% 20 - 30% MERV 6 G4 Pocket Filters
    90 - 95% 25 - 30% MERV 6-7 G4 Pleated Panel Filters
    95% 30 - 40% MERV 7-8 G4 Pocket Filters
    Pleated Panel Filters
    95 - 98% 40 - 50% MERV 8-9 F5 Extended Surface Pocket Filters
    98% 50 - 60% MERV 9-10 F5 Extended Surface Pocket Filters
    Rigid Cell Filters
    99% 60 - 70% MERV 10-11 F6 Extended Surface Pocket Filters
    Rigid Cell Filters
    99% 70 - 80% MERV 12-13 F6 Extended Surface Pocket Filters
    99% 80 - 90% MERV 13-14 F7 Extended Surface Pocket Filters
    Rigid Cell Filters
    99% 90 - 95% MERV 14-15 F8 Extended Surface Pocket Filters
    Rigid Cell Filters
    NA 95% DOP MERV 16 H11 Extended Surface Rigid Cell Filters
    NA 99.97%
    99.99%
    99.999%
    99.9995%    		 NA U13-14
    U15    		 HEPA / ULPA Filters



  • Industry Application Guide

    Typical Application Type of Air Handling Equipment Pre-filters Final Filters
    Residential
    Apartments, Condominiums
    Single Family Homes    		 Room Air Conditioners N/A Disposable Panel Filters, Pleated Panel Filters, Filter Mat
    Light Commercial, Industrial
    Hotels, Motels
    Light Industrial
    Nursing Homes
    Schools (Classrooms)
    Small Office Buildings    		 Light Commercial Air Conditioning Units
    Packaged Terminal Air Conditioners
    Unit Ventilators
    Fan Coil Units    		 N/A Disposable Panel Filters, Pleated Panel Filters, Slip-Ons, Filter Media and Frames
    Commercial, Industrial, Institutional
    Airports
    Auditorium
    Banks
    Bars, Cocktail Lounges
    Casinos
    Commercial Buildings
    Electric Utilities
    Food Processing
    Government Buildings
    Health Care Facilities
    Holding Areas
    Hotels
    Industrial Plants
    Museums
    Restaurants
    Retail Stores, Super Markets
    Schools, Universties
    Sports Arenas, Gymnasiums
    Theaters
    Train Stations
    Warehouse, Storage Areas    		 Rooftop Air Handling Units
    Central Station Air Handlers
    Built Up Frame Banks
    Side Access Housings    		 Disposable Panel Filters
    Pleated Panel Filters
    Filter Media and Frames
    Self-Supported Pocket Filters
    Extended Surface Pocket Filters
    Automatic Roll Filters    		 Extended Surface Pocket Filters
    Extended Surface Rigid Cell Filters
    Sensitive Processes
    Health Care
    Labs
    Microelectronics, Semiconductor
    Pharmaceutical Production
    Photo Film
    Research Facilities
    Universities    		 Rooftop Air Handling Units
    Central Station Air Handlers
    Built Up Frame Banks
    Side Access Housings    		 Disposable Panel Filters
    Pleated Panel Filters
    Filter Media and Frames
    Self-Supported Pocket Filters
    Extended Surface Pocket Filters
    Automatic Roll Filters    		 Extended Surface Pocket Filters
    Extended Surface Rigid Cell Filters
    HEPA, ULPA Filters
    Disposable Ducted Ceiling Modules
    Replaceable Filter Ceiling Modules
    Fan, Filter Units



  • English / Metric Conversion Table

    English to Metric Metric to English

    Length
    1 in. = 25.4 mm 1 mm = 0.03937 in.
    1 in. = 2.54 cm 1 cm = 0.3937 in.
    1 in. = 0.0254 m 1 m = 39.37 in.
    1 ft. = 304.8 mm 1 mm = 0.00328 ft.
    1 ft. = 30.48 cm 1 cm = 0.328 ft.
    1 ft. = 0.3048 m 1 m = 3.2808 ft.

    Area
    1 sq.in. = 6.4516 cm sq. 1 cm sq. = 1.55 sq. in.
    1 sq. ft. = 0.0929 m sq. 1 m sq. = 10.764 sq. ft.

    Volume
    1 cu. in. = 16.387 cu. cm 1 cu. cm = 0.061 cu. in.
    1 cu. ft. = 0.0283 cu. m 1 cu. m = 35.315 cu. ft.

    Velocity
    1 fpm = 0.00508 m/sec 1 m/sec = 196.85 fpm

    Flow
    1 cfm = 0.00047 cu.m/sec 1 cu.m/sec = 2118.9 cfm
    1 cfm = 0.0283 cu.m/min 1 cu.m/min = 35.315 cfm
    1 cfm = 1.699 cu.m/hr 1 cu.m/hr = 0.5886 cfm

    Pressure Drop
    1 in. W.G. = 248.8 Pa 1 Pa = 0.00402 in. W.G.

    Weight
    1 oz. = 28.375 g 1 g = 0.0352 oz.
    1 lb. = 454 g 1 kg = 2.203 lbs.
    1 lb. = 0.454 kg

    Temperature
    1 deg. F = 1.8 deg. C + 32 1 deg. C = 0.5556 deg. F - 18