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Replacement Air Filters for Aprilaire / Spacegard # 2400 Air Cleaner

Due to the popularity of the Aprilaire/Spacegard #401 filter, many companies manufacture replacement alternatives. All of the filters shown below are specifically designed to fit in the Aprilaire/Spacegard 2400 Air Cleaner.

Click here for step-by-step instructions to change an accordian-style filter

NEW from Aprilaire - MERV 13 Upgrade Kit - easier to install!

Original Aprilaire #401 Filter
Pleat Spacers Required

Aprilaire / Space-Gard #401 High Efficiency Filtering Media
  • Factory Original OEM Part
  • Accordian Style
  • MERV 10 Rated

#401 Upgrade Kit
Aprilaire Performance Upgrade

Filter Upgrade Kit for Aprilaire / Space-Gard Model 2400 Air Cleaner
  • MERV 13 Upgrade
  • 65% Better Filtration
  • Easy To Install

Easy-Install #401 Filter
No Pleat Spacers Required

Expanded Cartridge Filter for Aprilaire/Space-Gard 2400
  • Fits 2400 Inner Housing
  • Pre-assembled expanded filter
  • MERV 11 Rated

BestAirPro #401 Filter
Pleat Spacers Required

High Efficiency Filter Media for Aprilaire/Space-Gard 2400
  • Best Value!
  • Cost Effective Alternative
  • Accordian Style
  • MERV 11 Rated

Lennox MERV 16 Filter
Pleat Spacers Required

Lennox MERV 16 Air Cleaner Filter Media X5425
  • Size identical to #401
  • Highest efficiency available for 2400
  • MERV 16 Rated

Honeywell PopUP 2400
No Pleat Spacers Required

Honeywell PopUP™2400 Media Air Filter For Aprilaire / Space-Gard 2400 Air Cleaner
  • Slides right into 2400 Air Cleaner
  • Convenient PopUP Design
  • MERV 11 Rated