X6664 (Lennox) | 16.5x26x4 MERV10 Media Filter

X6666 (Lennox) | Merv 16 17 X 26 X 4 Filter

X6667 (Lennox) | Filter 21x26x4 Merv 10

X6669 (Lennox) | Merv 16 Filter For PCO20-28

X6672 (Lennox) | 16x25x5 Merv 16 Filter

X6673 (Lennox) | 20x25x5 Merv 11 Filter

X6675 (Lennox) | 20x25x5 Merv 16 Repl Filter

X7935 (Lennox) | 20X20X5 Merv 16 Filter

X8309 (Lennox) | Merv 10 16x25x5 Filter

X8310 (Lennox) | Merv 10 Replacement Filter

X8345 (Lennox) | Merv 16 Upgrade Kit W/Insrt

X8348 (Lennox) | Merv 10 Maint Kit W/Insrt

X8609 (Lennox) | Fan Timer Board

X8788 (Lennox) | Merv 16 Pleated Filter 20x26x5

X8789 (Lennox) | Merv 16 Pleated Filter 16x26x5

X8790 (Lennox) | Merv 16 Pleated Filter 20x21x5

X8791 (Lennox) | Mesh Insert

X8792 (Lennox) | Pureair Repl Mesh Insert

X8794 (Lennox) | Pureair Lamp

X8796 (Lennox) | Annual Maintenance Kit