QR Code Link to This Post This sale is for one box with 2 filters inside. I ordered these and they were the incorrect size for my furnace. They are new. These are Nordic Pure, 12 Merv, 20x25x5 filters and will fit Honeywell FC100A1037/FC200E1037 and Lennox Healthy Climate X6673/X6675 air conditioning or furnace assemblies. This sale is for one box (2 filters). I have 2 boxes available. Contact me if interested at 86 zero 91 six 187.