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- DESIGNED TO FIT: Fits Aprilaire air cleaner models 2400.
- ACTUAL SIZE: 15 3/8 inches (length) x 26 15/16 inches (width) x 6 inches (depth).
- HIGH EFFICIENCY FILTRATION: Merv 11 Rating to reduce airborne particles like dust, mold spores, pollen, pet dander, and more
- This product is not manufactured by or distributed by Research Products Corporation, owner of the registered trademarks APRILAIRE/ or SPACE-GARD
- 100% TIER1 NO WORRIES GUARANTEE – We stand behind the quality of filtration and overall performance of our Tier1 filters!
The Aprilaire 401 filter compares to the RAF-A401 16 x 28 x 6 MERV 11 Tier1 replacement air filter. The Tier1 RAF-A401 (4-Pack) helps reduce allergens including bacteria, dust, pet dander, pollen and smoke. It features double wall construction, for additional frame strength. The RAF-A401 (4-Pack) also helps protect your unit’s coils from the potentially damaging effects of dust build up. Order your RAF-A401 (4-Pack) today!