Lennox X6670 – (2-Pack) Healthy Climate 16″ X 25″ X 5″ OEM HCF16-11 Air Filter,
Item model number X6670. Part Number X6670. Model Info X6670. This is a genuine, OEM Lennox Healthy Climate X6670 air filter designed to work with any HVAC system. Manufacturer LENNOX. Global Trade Identification Number 00810105201093.