A Static Favorites List is created by adding items to your list from Search and/or Browse results, product detail pages, and previous orders and invoices. You can also upload your list using the Excel template provided on the "Favorites List Management" page.
A Dynamic Favorites List is automatically created from your purchase history based on the timeframe, ship-to name, and product categories you want included. This list updates each time you open it based on the criteria selected.
Air quality matters. That's why you trust Aprilaire to keep your home environment safe for you and your family. This genuine Aprilaire 501 Air Filter Replacement is rated MERV 16. That means it makes the air in your home fresh and healthy so your family can breathe easy.
Proven to prevent 98% of particles between 3.0 and 10.0 microns from passing through your homes heating and cooling system
Fits aprilaire model: 5000
Filters dust, pollen and mold spores from the air entering your home