AIRx Filters MERV 11 20x20x5 (Actual:19.69 x 20.69 x 4.88 in) air filter trap and remove contaminants found in indoor air. Using electrostatically charged 100% synthetic gradient media, this MERV 11 pleated air filter removes impurities for a cleaner air with typical application air filter superior for homes, better for industrial workplaces, and better for commercial buildings. AIRx Filters MERV 11 air filter is efficient in filtering small size particles between 1.0 - 10.0 micron. While it efficiently capturing contaminants, it does not hinder airflow. Built with superior materials such as moisture resistant double-wall beverage board and sturdy 30 gauge galvanized expanded metal grid produces durable air filter. AIRx Filters MERV 11 20x20x5 air filter is capable of working in 180f (82c) continuous service, peak 225f (107c) maximum temperature and resistant to 100% r.h. maximum humidity. Indoor air remains healthy when the air filter is replaced once every three months or sooner if the indoor air includes a large quantity of contaminants.EASY AIR FILTER SELECTION TO REPLACE YOUR AC FURNACE AIR FILTER: This AIRx Filters Allergy MERV 11 20x20x5 air filter can replace the following OEM / Aftermarket Air Filters: Skuttle 000-0448-003 000-0448-007 and will fit and/or compatible with Skuttle DB-20-20 Media Air Cleaner.Disclaimer: All product names, logos, and brands are property of their respective owners. All company, product, and brand names used in this listing are for identification purposes only. Use of these names, logos, and brands does not imply endorsement and DiscountFilters is not associated with or sponsored by the following product names, logos, and brands: [Skuttle]