(2 Pack) Compatible With Aprilaire 400A Humidifier Water Pad Filter

Air Filter Factory Compatible With
Aprilaire 400A Humidifier Water Pad Filter 

Size: 10″ x 13″ x 1-5/8″

• Includes 2 filter pads

*This NON-OEM replacement water pad filter set is made in the USA and designed, as well as distributed solely by Air Filter Factory. This is not a Aprilaire OEM product and is not covered under any Aprilaire manufacturer’s warranty. The Aprilaire brand name 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.