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401 Aprilaire Air Purifier Replacement Filter (2-Pack)

Availability: In Stock - Free Shipping
Fits air cleaner model 2400
  • Replace once a year
  • Uses effective Self-Seal technology
  • Good for people with respiratory issues or allergies
  • Fits Aprilaire cleaner model 2400
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The Aprilaire 401 (2-Pack) MERV 10 is an air purifier replacement filter for air cleaner model 2400. This filter is made of pleated fabric, which is collapsible and equipped with self sealing technology, to reduce air bypass. Simply replace this filter once a year, and easily install into your HVAC unit. The Aprilaire 401 works hard to reduce allergens in your air specifically, dust, spores, pet dander, pollen and more! Anyone in your home afflicted with respiratory issues or asthma will benefit from this great quality filter. Order the Aprilaire 401 today!
Package Qty2
Used In BrandsAprilaire, Tier1
Manufacturer's IdAA_401_RF_2_PACK
MERV RatingMERV: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
Country of ManufactureUnited States

Reduced Contaminants

The AA_401_RF_2_PACK reduces the following contaminants:

  • Allergens
  • Bacteria
  • Dust
  • Mold Spores
  • Pet Dander
  • Pollen
  • Spores

The AA_401_RF_2_PACK is comparable with the following part numbers


The AA_401_RF_2_PACK 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