*If the AprilAire or Space-Gard 6" cabinet has not yet been upgraded to a 4" filter, choose Model U1413 (includes both upgrade rails needed to convert the cabinet). If the cabinet has already been upgraded using the 1413 Upgrade Kit, choose Model UK413. This replacement option is designed for cabinets that have already been converted to the 4" filter.
**Performance results based on controlled testing in accordance with ASHRAE 52.2 2017 test procedure. Comparative results based on published values and may vary depending on system conditions and application.
+Virus performance results based on controlled testing accordance with ASHRAE 52.2 test standard using the MS-2 virus.
^^Applies to new HVAC system units with an AprilAire Media Air Cleaner installed no more than 6 months after HVAC system installation. Unit must be properly maintained with air filters being changed according to recommended service schedule.
The AprilAire UK413 replaces the sunsetting AprilAire 413 Filter and features a new 3" MERV 13 Air Filter with TriPure™ Technology, plus free one-time upgrade rails for seamless installation in existing AprilAire cabinets. TriPure™ Technology helps deliver cleaner, healthier indoor air through advanced purification, improved energy efficiency, and long-lasting performance. The MERV 13 filter captures up to 95% of household dust, mold spores, and allergens, as well as 92% of airborne viruses+. It also provides over 90% greater protection against harmful airborne particles compared to the AprilAire 3" MERV 11 Filter (3F411)++, helping create a healthier indoor environment for your home and family. Engineered for optimal airflow, the UK413 supports energy-efficient HVAC operation while helping extend the life of your heating and cooling system. A redesigned rail and media interface makes filter changes simple and dependable, while the directional rail design helps reduce installation errors for a fast, hassle-free replacement process. With a 12-month replacement cycle, homeowners can enjoy powerful whole-home air filtration with minimal maintenance. For added peace of mind, if your new indoor evaporator coil requires professional cleaning within the first 10 years of use, AprilAire will contribute $100 toward a professional coil cleaning.^^ Made in the USA, genuine AprilAire filters are engineered and manufactured by AprilAire, a trusted leader in whole-home Indoor Air Quality solutions since 1954. +Virus performance results based on controlled testing accordance with ASHRAE 52.2 test standard using the MS-2 virus. ++Harmful particles defined as 0.30 to 1.0µm. ^^Applies to new HVAC system units with an AprilAire Whole-Home Air Purifier installed no more than 6 months after HVAC system installation. Unit must be properly maintained with air filters being changed according to recommended service schedule.
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