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Aprilaire 413 (2-Pack) - 16" x 27" x 4" MERV 13 Expandable Air Filter
This filter is a brand new genuine Aprilaire 413 air filter for the Aprilaire 2140, 2400, 2410, 4210 and 4400 Media Air Cleaners.
Aprilaire recommends this filter be replaced every 6 months for maximum efficiency and effectiveness. Much of this depends on the condition of the environment it is servicing.
If you have any questions regarding this product please feel free to email [email protected] or call 1-855-932-4822 and one of our friendly Customer Experience Representatives will be more than happy to help.