Item Tag: 4.4 in, 4 in

Lennox X6673 Healthy Climate Air Purifier 20″x25″x5″ MERV 11 Filter – 2 Pack

Part Number: X6673. Model number: HCF20-10; Part number: X6673. Model X6673. Keep your air purification system running its best by replacing the filter every 6 months.