Lennox X6673 MERV 11 Filter Media - Healthy Climate HCF20-11 (2 Pack) for Superior Air Quality

• MERV 11
• High-efficiency alternative to one-inch filters
• Fits the X6660 HCC20-28 Air Cleaner
• Nominal Filter Dimensions: 20x25x5 Actual Dimensions: 19-3/4" x 24-3/4" x 4-3/8"
• Genuine Lennox OEM Furnace Filter

Lennox Model X6673 Air Cleaner Filter Media - 20" x 25" x 5" (2-Pack) FEATURES: Factory original BMAC Healthy Climate Media captures pet dander and other contaminants down to 0.3 microns Synthetic media offers large surface area for maximum dirt holding capacities with minimum air resistance Media is certified to UL 900 standard. UL classification - Class 2 Replace every 6 months under normal use SPECIFICATIONS: Nominal Dimensions: 20" x 25" x 5" Actual Dimensions 19-3/4" X 24-3/4" X 4-3/8" MERV 11 Fits Air Cleaner Model HCC20-28 Same as part # HCF20-10