| Genuine Aprilaire 401 Media Air Filter |
 Aprilaire 401 Air Filters are designed for best efficiency and are the heart of your air purifier. Specs: -Aprilaire Filter for the Aprilaire Model 2400 Air Purifier -High-efficiency MERV 10 rating -Change your Aprilaire 401 filter every 6 months -Dimensions: 27.5 x 6.5 x 2.5 (In box) -Weight: 2.35lbs 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. Supplemental Information: Aprilaire 401 Air Filter Installation Guide Merv Rating Chart Aprilaire 401 Air Filter FAQ Related Products: Aprilaire 213 Air Filter Aprilaire 501 Air Filter Aprilaire 5000 Air Purifier Price: 25.99 |