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Aprilaire 401 Air Purifier Replacement Filter

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Aprilaire 401 Air Purifier Replacement Filter


Quick Overview

Fits Aprilaire air cleaner model 2400
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The Aprilaire 401 is a MERV 10 air purifier replacement filter for Aprilaire model air cleaner 2400. The collapsible pleated fabric filter media is easily installed to keep your HVAC equipment running at top efficiency. Trade-marked Aprilaire Self-Seal technology ensures the best performance by reducing air bypass. Ultimately, this filter helps trap and reduce allergens that can cause issues for persons afflicted with asthma and other respiratory problems. This filter reduces contaminates such as bacteria, dust, spores, pollen, pet dander, and more. Order today!

  • Ships fast!
  • Reduces airborne particles from bacteria, dust., pollen and more
  • Replace annually
  • Trade-marked Aprilaire Self-Seal technology reduces performance-hampering air bypass
  • Made in the U.S.A.
  • Genuine OEM Product
  • Installation Guide for AA-401-RF


Package Qty 1
Used In Brands Aprilaire
Manufacturer's Id 4959761
UPC 638845883542
MERV Rating MERV:10
Advertised Size (in) 16 x 27 x 6
Actual Size (in) 16 inches (length) x 27 inches (width) x 6 inches (depth)
Actual Size (cm) 40.64 x 68.58 x 15.24
Filter Life (months) 12 months


Reduces the following contaminants:

The AA-401-RF is comparable with the following part numbers


Fits the Following Model Numbers

2400 PMAC-12C PMAC12C PMAC 12C
X0444 source 1 FM401 S1-MAC11162506
S1-FM11162506 SpaceGard 2400 Space Gard 2400 Space-Gard 2400

Replacement for the Following UPC