![PRO-SOURCE - Pleated Air Filter: 20 x 24 x 4″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 48535264 - MSC Industrial Supply PRO-SOURCE - Pleated Air Filter: 20 x 24 x 4″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 48535264 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/4853526AC-24.jpg)
PRO-SOURCE - Pleated Air Filter: 20 x 24 x 4″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 48535264 - MSC Industrial Supply
Filtrete™ Ultra Allergen Reduction Deep Pleat Filter NDP02-4IN-4, 20 in x 20 in x 4 in - The Binding Source
![Honeywell FC100A1011 20 x 20 x 4 replacement media air furnace filter - Replacement Furnace Filters - Amazon.com Honeywell FC100A1011 20 x 20 x 4 replacement media air furnace filter - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/618w067B-qL._AC_UF894,1000_QL80_.jpg)
Honeywell FC100A1011 20 x 20 x 4 replacement media air furnace filter - Replacement Furnace Filters - Amazon.com
![Honeywell 20x20x4 AC Furnace Air Filter Replacement - FC100A1011 HVAC Furnace Filters with Merv 11 Filter Media, AC Filter with Homequip Disposal Bag 1-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches) - Amazon.com Honeywell 20x20x4 AC Furnace Air Filter Replacement - FC100A1011 HVAC Furnace Filters with Merv 11 Filter Media, AC Filter with Homequip Disposal Bag 1-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches) - Amazon.com](https://m.media-amazon.com/images/I/418qZCZIbwL._AC_.jpg)
Honeywell 20x20x4 AC Furnace Air Filter Replacement - FC100A1011 HVAC Furnace Filters with Merv 11 Filter Media, AC Filter with Homequip Disposal Bag 1-Pack (Actual Size: 19.94 x 19.75 x 4.38 Inches) - Amazon.com
![Koch Air Filter 20 x 20 x 4 MERV 13 Pleated Air Filter - 6 Pack - HepaFilterSales.com -- We Deliver Breathing Easier Koch Air Filter 20 x 20 x 4 MERV 13 Pleated Air Filter - 6 Pack - HepaFilterSales.com -- We Deliver Breathing Easier](https://hepafiltersales.com/cdn/shop/files/Koch6-Pack_db25d83e-0724-4a8d-8c79-bdd573454cdc_5000x.jpg?v=1691846254)