401 Space Guard Filter Media

The Aprilaire 401 Air Filter is a genuine air filter replacement for the Aprilaire 2400 air purifier. This Aprilaire air filter provides essential clean air throughout your house especially when inhabitants are prone to irritation by allergies or dust. For these reasons, Aprilaire(R) recommends replacing your air cleaner filter at least once a year depending on the operation of your heating and air conditioning system.

Installation of the Aprilaire 401 is easy and takes only minutes.

Aprilaire 401 air filters are MERV 10 rated. Take advantage of all of the cleaning effects of Aprilaire's new media filters on any of your older air cleaners and order the Aprilaire 401 air filter for Model 2400 Air Cleaners today!