• Made in Wisconsin, USA
• Fits Aprilaire Models: 2400, Space-Gard 2400.
• Nominal Measurements: 16H x 25W x 6D (inches)
• Actual Measurements: 17H x 28W x 7.47D (inches)
• Filters dust, pollen, pet dander, and mold spores from the air entering your home.
• Helps maintain the performance of heating and cooling systems.
• Rated MERV 10
• Genuine Aprilaire Air Filter Replacement
• Replace Air Filter annually for best air quality.

Air quality matters. That’s why you trust Aprilaire to keep your home environment safe for you and your family. This genuine Aprilaire 401 Air Filter Replacement is rated MERV 10. That means it makes the air in your home fresh and healthy so your family can breathe easy. Annual air filter replacements are a great way to keep your home and family protected. Aprilaire makes it easy to know what you’re breathing.

SAVE TIME & UPGRADE PERFORMANCE Consider the AprilAire 1413 Upgrade Kit. It replaces the original AprilAire 401 filter with a high performance 413 filter and new filter frame system, eliminating pleat spacers.

* Contaminants removed based on air passing through the filtering system.