Lennox X8345 - PureAir PCO-20C MERV 16 Upgrade Kit with Insert 21" x 26" x 4"
Lennox X6669 - PureAir PCO-20C MERV 16 Replacement Filter 21" x 26" x 4"
Lennox X8344 - PureAir PCO-20C MERV 16 Upgrade Kit without Insert - 21" x 26" x 4"
Out of stock
Lennox Y4591 - 1st Generation to 2nd Generation Conversion Kit: Healthy Climate PCO-20C MERV 16 w/ Insert 21" x 26" x 4"
Out of stock