Product HighlightsAprilaire® 401 Air Filters are designed for best efficiency and are the heart of your air purifier.
- Aprilaire® Filter for the 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)
California residents: see Proposition 65 Warning
Weight 1.80 Pounds Length 6.19 Inches Width 2.69 Inches Height 27.38 Inches Country of Origin USA Brand Aprilaire MERV Rating 10 Color White Filter Efficiency MERV 10 Size 16" x 28" Thickness 6" Type Air Cleaner Filter
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