Furnace 1-3/4 of 16x16x2 10 15-1/2 Size: ZL 15-1/2 Exact Box Filters. x x MERV 4. AC Air Glasfloss Pleated

Actual Measurements: 15-1/2 x 15-1/2 x 1-3/4 Inches | Nominal Size: 16x16x2 | Quantity 4 Filtration Rating: MERV 10. Comparable to MPR rating 600 to 800, or FPR 5-6 rating. Filters & captures small particles such as Lint, Dust, Pet Dander, Pollen, Dust Mites, Smog, & Mold. Upgraded MERV 10 Filtration with similar air flow and resistance as a MERV 8 filter. Durable & Long Lasting: Heavy duty frame won't buckle and pleats will not allow microbial growth. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and are manufactured in an engineered gradient structure. The engineered grading structure media supports high dust-holding capacity and long filter service life. Made in the USA. Ideal for residential, commercial, schools, office, & industrial filtration applications. For optimal performance, recommended to change at least every 3 months.