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  • Genuine Aprilaire # 401 Media Filter
  • Money-saving 10-pack
  • Actual Dimensions: Approximately 15 3/8" x 26 15/16" x 6"
  • MERV 10
  • Fits Model 2400
  • Subs for Lennox filter X0444
Price: Price: $26.90



This is the genuine Aprilaire # 401 replacement filter media for Aprilaire and Space-Gard air cleaner model 2400, in a money-saving 10-pack.  Designed to last up to one to year. 

Your best value is on this 10-pack.  You may order other quantities, listed below.

Actual Dimensions

Actual Dimensions: Approximately 15-7/16" x 26-15/16" x 6" when expanded

Nominal Size:

Fits These Models

Aprilaire and Space-Gard: 2400

Lennox: PMAC-12C

Subs for These Part Numbers:

Lennox: # X0444

Other Specs

Recommended Replacement: Every 12 months, under normal operating conditions; more frequently in high dust environments

Other Stock Numbers: RP401, RP401-10, DRP401, DSG401, RES401, REP401, DPFS2400AA

Number of questions: 0