Lennox Model Media - 16x25x3 (2-pack) FEATURES: Factory original BMAC Healthy Climate Media Electrostatically charged disposable media Captures dust mites, pollen, mold spores, 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 SPECIFICATIONS: Nominal Dimensions: 16" x 25" x 3" Actual Dimensions: 15 7/8" x 24 1/4" x 3" Media is certified to UL 900 standard. UL classification - Class 2 Replace every 6 months under normal use For models BMAC-12C (Box Media Air Cleaner) - 16x25 Same as Trion Air Bear 101