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Filters Fast® DSG401M11FF Replacement For Space-Gard SG4PR-B, Aprilaire 401 Filter - 2-Pack


Only $25.98 per Filter
Retail: $70.99 /ea
You Save: 27%
Buy 1 - 2 for $51.95 ea.
Buy 3+ for $46.95 ea.
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Retail: $70.99
You Save: 27%
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The Filters Fast® DSG401M11FF Compatible Media Filter 2-Pack is a two pack of compatible replacement air filters for the Aprilaire Model 2400 Air Cleaner. This collapsible furnace filter measures approximately 16" x 27" x 6" and features a MERV 11 rating for the reduction of many airborne particulates, such as dust, dirt, and tiny allergens. This MERV 11 filter media expands from a collapsed accordion shape to fit within the plastic frame of your 2400 model air cleaner. This pleated air filter can last between six months to two years depending on usage and air quality.


  • Brand: FiltersFast
  • Part Number: DSG401M11FF, SG4PR-2-BULK, SG4PR
  • Replaces Part Number: SG4PR-B
  • MERV 11 rating
  • Filter Media: Electrostatically Charged Collapsible
  • Approximate dimensions: 16" x 27" x 6"
  • Includes two compatible replacement filters
  • Compatible with the Aprilaire 2400 air cleaner
  • Long filter life - lasts between 6-24 months depending on usage

The Space-Gard SG4PR-B, Aprilaire 401 is now the Filters Fast® DSG401M11FF. The Filters Fast® DSG401M11FF is a compatible replacement for the Aprilaire 401 air filter. This air filter fits the following air cleaner models:

  • Aprilaire 2400

Compatible Models:

The Filters Fast® DSG401M11FF Replacement For Space-Gard SG4PR-B, Aprilaire 401 Filter - 2-Pack is correct replacement for the following model numbers:

  • Aprilaire 2400