The genuine OEM Lennox X8344 Upgrade Kit without metal insert, 21x26x4 MERV 16 includes one X6669 MERV 16 filter and six X8149 UV bulbs and fits the Lennox PCO-20C Healthy Climate PureAir Air Purification System.
Lennox X8344 PureAir Upgrade Kit Compatible Model/Part Numbers:
- X8344, X6669, X8149
- PCO-20C, PCO-20P, PCO-20U
Lennox 21" x 26" x 4" Healthy Climate Upgrade Kit is also known as:
- Lennox X8344 PureAir PCO-20C MERV 16 Upgrade Kit.
- Lennox X8344 MERV 16 Upgrade Kit without Insert 21” x 26” x 4”.
- Healthy Climate PureAir Upgrade Kit without Insert MERV 16 for PCO-20C.
- Lennox 21x26x4 MERV 16 Upgrade Kit X8344.