Aprilaire 401 Replacement Air Filter. Filter fits Space-Gard 2400 air purifiers. Absolutely Essential for Allergy Sufferers. Designed & Engineered by Crucial Air.
This is a generic product designed and engineered in the United States by Crucial Air. This is not a Aprilaire® OEM product and is not covered under any Aprilaire® manufacturer's warranty. The Aprilaire® brand names and logos are the registered trademarks of their respective owners. Any use of the Aprilaire® brand name or model designation for this product is made solely for purposes of demonstrating compatibility.