APRILAIRE 310 REPLACEMENT MEDIA 20"X20", MERV 10

Air Cleaner Media Filter; Overall Width 20 Inch; Overall Height 20 Inch; Overall Depth 4 Inch; Media Area 21.3 Square Foot; MER Value 11; Flow Rate 1200 CFM; Resistance 0.19 Inch WC at 1200 CFM; Efficiency 92 Percent (3 to 10 Micron); Application 1310, 2310, 3310, 4300 Air Cleaner; Applicable Standard ASHRAE