This Original Lennox Healthy Climate expandable media filter is rated at MERV 10 and removes up to 85% of particles, down to 3 microns.
This filter must be used with plastic frame. The plastic frame is NOT included with this filter.
If you don't have or have accidentally thrown away your plastic frame - you can purchase a new kit see part # X8304 .
NOTE: Plastic frame gets re-used. When changing filter - replace media but do not discard plastic frame.
Lennox Model HCXF20-10 Healthy Climate Air Cleaner Cabinet
Lennox HC20 Healthy Climate Media Air Cleaner Cabinets - 20x25