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  • Lasts up to 12 months.
  • Easy installation.
  • MERV10 high-efficiency replacement filter.
  • decrease the number of allergens, bacteria and other particles in the air.
  • 40 times more effective than your typical 1 Inch filter.
  • Designed to easily fit Aprilaire/Space-gard model 2400.
  • 401 replacement filter
  • Actual Dimensions (Inches): 16 x 27.25 x 6 (Collapsible)
Replace the filter for your air purifier with the Honeywell CF2400A1001/U MERV 10 High-Efficiency Collapsible Air Cleaning Filter - 16 x 28. This filter unit is 40 times more effective than your typical 1 Inch filter. A new air filter can significantly decrease the number of allergens, bacteria and other particles in the air. The CF2400A1001/U is designed to last up to 12 months and should be replaced thereafter to maintain the cleanliness of your air. Establish an unrivaled breathing experience for you and your loved ones with Honeywell and their second to none series of Filters.

MERV = 'Minimum Efficiency Reporting Value' this is used to rate the overall effectiveness of an Air Filter. Below you will find a table that measures the MERV strength and tells you the Application of each unit's effectiveness. In general an Air Filter with a higher MERV Rating is more effective and has a broader application, but most residential homes will find the best use from an air filter between the 5-12 MERV rating.

1 - 4 > 10.0 Micrometers Pollen, dust mites, cockroach debris, sanding dust, spray paint dust, textile fibers, carpet fibers Residential window AC units
5 - 8 10.0 - 3.0 Micrometers Mold, spores, dust mite debris, cat and dog dander, hair spray, fabric protector, dusting aids, pudding mix Better residential, general commercial, industrial workspaces
9 - 12 3.0 - 1.0 Micrometers Legionella, Humidifier dust, Lead dust, Milled flour, Auto emission particulates, Nebulizer droplets Superior residential, better commercial, hospital laboratories
13 - 16 1.0 - 0.3 Micrometers Bacteria, droplet nuclei (sneeze), cooking oil, most smoke and insecticide dust, most face powder, most paint pigments Hospital & general surgery
17 - 20 < 0.3 Micrometers Virus, carbon dust, sea salt, smoke Electronics & pharmaceutical manufacturing cleanroom
Product Specs
Furnace Filters for HVAC Systems

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CF2400A1001/U customer reviews

Overall Rating

2 Reviews
2 customers recommend this product
Honeywell CF2400A1001/U Merv 10 High-Efficiency Collapsible Air Cleaning Filter Reviews
Phil Peyerk
August 9, 2016
Verified Purchase
Honeywell Filter

The order arrived fast and correct. Very easy.

Greg Moser
November 30, 2011
Very good filter

Very good filter. Good website.

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