20" x 24" x 1". For a healthier home. Powered by Intrepid Filtration Media. Two-piece bonded industrial strength die-cut construction. Commercial/industrial specifications of pleats per Purafilter 2000. Lasts 3 months. Provides premium filtering performance by combining the unique radial pleat design with the extended number of pleats on each Purafilter 2000. Lower your energy costs. Better performing MERV 8 filtration media means cleaner and more efficient overall performance by your air conditioning and furnace systems. What is MERV? The higher MERV (minimum energy reporting value) indicates better performance. MERV was developed by the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE), an impartial widely recognized authority on air filtration. A free reminder service. There's no need to remember to change your Purafilter 2000 - we'll gladly remind you! Sign up today for this free service, another example of our commitment to superior customer service and product quality. Superior Performance. Purafilter 2000's long-lasting, money-saving and energy-conserving design combined with outstanding product and customer service ensures the best performing pleated air filter available. Purafilter 2000 is the best-built, best-performing air filter in its class compared to other MERV 6 and MERV 7 air filters. Proudly Made in the U.S.A.