Lennox Healthy Climate PureAir X8788 PCO20-28 MERV 16 replacement filter. Fits the PCO20-28 PureAir unit.
The Lennox Healthy Climate PureAir replacement furnace filter uses a MERV 16 pleated filter to capture particles in the air stream. In most home environments, this filter only needs to be replaced every 6 months.

The Lennox Healthy Climate PureAire X8788 PCO20-28 is the perfect system for people who suffer from allergies, asthma or for people who just want to breathe healthier air.