Factory original filter from Lennox. The Carbon Clean 16 product combines industry leading MERV 16 filtration with an odor removing, coconut activated and carbon coated fiber matrix. Cartridge can last up to one year, though product replacement life cycle depends on the individual conditions and needs of your home. 

• Highest rated filter available for residential systems: MERV 16 
• Removes OVER 95% of particles ranging in size down to 0.3 micron
• Removes OVER 90% of bioaerosols and microorganisms down to 0.01 micron
• Replaces part number HCF16-16 and catalog number X6672
• Fits HCC16-28 Healthy Climate True Fit Cabinet
• Interchangeable with Honeywell FC100A1029 or FC200E1029
• Nominal Dimensions: 16" x 25" x 5"
• Actual Dimensions 15 3/4" x 24 3/4" x 4 3/8"
• Factory original, OEM product