AprilAire 401 Replacement Filter (2-PACK)

Introducing the Aprilaire 401 replacement media filters (approximately 16" x 25" x 6") for Aprilaire air cleaner model 2400. The 401 filter has 32 fan-fold pleats and requires assembly with 6 plastic pleat spacers. These filters ship like a collapsed accordion and are expanded into a plastic frame (NOT INCLUDED) within the air cleaner cabinet. The filter is installed within the plastic frame and held in place with your existing pleat spacers (NOT INCLUDED). Assembly instructions are printed on the product carton. As we see, AprilAire 401 Replacement Filter are designed for best efficiency and are the heart of your air purifier.

• Manufacturer: Research Products Corp.
• Brand Name:   Aprilaire
• Description:   Aprilaire Replacement Filter Media # 401 (2-Pack)
• Part Number: 401
• Compatibility: Aprilaire 2400   
• Nominal Size: 16" x 25" x 6"
• Aprilaire Filter for the Aprilaire Model 2400 Air Purifier
  
• Lasts one to two years (Depending on the operation of your heating and/or air conditioning system)

NEW UPGRADE KIT: Get an easy-to-install upgrade filter kit for the model 2400 and remove nearly two times more contaminants from your home.