Item Tag: 26" x 20" x 5"

Lennox X8788 Healthy Climate PureAir PCO20 28 MERV 16 Air Filter 20x26x5

Part Number‎X8788. Fits the PCO20-28 PureAir unit. Manufacturer‎Lennox. Genuine Lennox OEM Furnace Filter. This filter only needs to be replaced every 12 months.