This Lennox filter measures 20" x 26" x 3" and has MERV 11 rating and the model number X5422, the correct replacement for the HC PCO-20U Lennox Furnace.
Nominal Size 20x26x3
Actual Size: 20 1/8 X 26 X 3
This Lennox filter measures 20" x 26" x 3" and has MERV 11 rating and the model number X5422, the correct replacement for the HC PCO-20U Lennox Furnace.
Nominal Size 20x26x3
Actual Size: 20 1/8 X 26 X 3