Lennox X5422 20x26x3 MERV 11 Furnace Filter Lennox HC PCO-20U

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