Dimensions: 21" x 26" x 4"
Lennox Replacement Filter No.X6667 - formerly 75X67 GENUINE OEM
Replacement Filter for Lennox Pure Air Purification system (PCO-20C)
MERV 10

Dimensions: 20” x 25” x 5”
Lennox Replacement Filter No.X6675 - GENUINE OEM (HCF20-16)
Replacement Filter for Lennox Healthy Climate High Efficiency Media Air Cleaner Cabinet (HCC20-28)
Highest rated filter available for residential systems MERV 16
MERV 16

Dimensions: 16” x 25” x 5”
Lennox Replacement Filter No.X6670 - GENUINE OEM (HCF16-10)
Replacement Filter for Lennox Healthy Climate High Efficiency Media Air Cleaner Cabinet (HCC16-28)
MERV 10

Dimensions: 20” x 25” x 5”
Lennox Replacement Filter No.X6673 - GENUINE OEM (HCF20-10)
Replacement Filter for Lennox Healthy Climate High Efficiency Media Air Cleaner Cabinet (HCC20-28)
MERV 10

Dimensions: 16” x 25” x 5”
Lennox Replacement Filter No.X6672 - GENUINE OEM (HCF16-16)
Replacement Filter for Lennox Healthy Climate High Efficiency Media Air Cleaner Cabinet (HCC16-28)
MERV 16

1” Pleated Filter