Product Description:

COMPATIBLE MODEL: Replacement air filters for your Lennox Healthy Climate HC11 air purifiers

KEEPS AIR CLEAN: Rated at MERV 11 efficiency for optimal air quality and filters out and captures dust, pollen, pet dander, and other particles as small as 0.3 microns

ACTUAL SIZE: Measures 19-3/4 inches long, 24-3/4 inches wide, and 4-3/8 inches high

BEST USE: For best results, replace filter every 6 months

SPECIFICATIONS: Model number: HCF20-10; Part number: X6673