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401 Aprilaire Air Purifier Replacement Filter (4-Pack)

Availability: Discontinued - Free Shipping
Fits air cleaner model 2400
  • For use with Aprilaire air cleaner model 2400
  • Reduces allergens in your air such as bacteria, dust, pet dander, pollen and smoke
  • Designed for added strength with double wall construction
  • Includes four air filters
› See more product details
The Aprilaire 401 filter MERV 10 compares to the RAF-A401 16 x 28 x 6 MERV 11 Tier1 replacement air filter. The Aprilaire 401 (4-Pack) helps reduce allergens including bacteria, dust, pet dander, pollen and smoke. The media is fully collapsible and integrated with trade-marked Aprilaire Self-Seal technology. this technology ensures this filter maintains a proper seal at all times, allowing optimal filtration. Your HVAC unit will be performing to it's top abilities, with help from this quality filter. Friends and family who suffer from allergies or asthma will love the air quality in your home. Order the Aprilaire 401 filter MERV 10 today!
Package Qty4
Used In BrandsAprilaire, Tier1
Manufacturer's IdAA_401_RF_4_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_4_PACK reduces the following contaminants:

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

The AA_401_RF_4_PACK is comparable with the following part numbers


The AA_401_RF_4_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