Resideo - Honeywell Home 50000293-003 High Air Flow Media Post Filter

High Air Flow Media Post Filter; Overall Width 20 Inch; Overall Height 10 Inch; Resistance 0.05 Inch WC at 295 FPM; Efficiency 91 Percent (E1), 98 Percent (E2), 100 Percent (E3); Temperature Rating 40 to 125 Deg F; Application Residential Media Air Cleaner, Indoor; Applicable Standard ASHRAE 52.2; Used On F300/F50F Air Cleaner