401 Replacement Filter Aprilaire

401 Replacement Filter for Aprilaire – Advanced Air Cleaning for Allergy Relief

Breathe cleaner air with the Aprilaire 401 replacement filter, designed specifically for Aprilaire Model 2400 whole-house air purifiers. With a MERV 10 rating, this filter effectively traps airborne particles like dust, pollen, mold spores, and pet dander, helping to reduce allergy symptoms and keep your HVAC system running efficiently.

The collapsible, pleated design measures 16" x 25" x 6", offering high dirt-holding capacity and long-lasting filtration. It’s recommended to replace the filter every 6 to 12 months to maintain optimal indoor air quality throughout your home.

Key Features:

Aprilaire 401 Air Filters are designed for best efficiency and are the heart of your air purifier.

• Aprilaire Filter for the Aprilaire Model 2400 Air Purifier
• High-efficiency MERV 10 rating
• Lasts one to two years (Depending on the operation of your heating and/or air conditioning system)