Economy Minipleat Air Filter, 18 In. H

Mini-Pleat Air Filter, Filter Efficiency 60 to 65 Percent, MERV 11, Nominal Height 18 In., Nominal Width 24 In., Nominal Depth 4 In., Air Flow 500 fpm, Initial Resistance 0.27 In. WC, Final Resistance 1.5 In. WC, Filter Pack Enclosure Beverage Board Frame, Max. Air Flow 1500 cfmMax. Temp. 150 Degrees F, Nominal Pleat 60 to 65 Percent, Standards UL 900. Only shipped in quantities of 3.