Factory original Aprilaire No. 413 fits the Aprilaire 4400 and 2410 air cleaners. No. 413 filters also fit the Aprilaire / Spacegard 2400 if the Media Upgrade Kit No. 1413 has been installed. Comes in money-saving 2-pack for lower product and shipping cost. Manufacturer recommends replacing filter at least once a year.
|Minimum Efficiency Reporting Value||13 MERV|
|Rated Air Flow||2000 CFM|
|Static Pressure Drop||.35 in. w.c.|