$38.90
$38.90
(SAVE Now!)
as of 11/25/2024 (Details)
This is the high efficiency filtering media, which is the heart of your air cleaner. It is recommended that the filter be replaced annually.
Technical Details
- Fits Research Products Model No. 5000 (Part #501)
- New aftermarket Aprilaire 501 filter!!
- Original accordion type design.
- Protects heating and cooling equipment.