The nominal size is a shorthand number rounded to the nearest whole or half inch, normally in a larger font (ex: 16 x 20 x 1). Duststop 12x24x1 Air Filter, Household Allergens, Pleated, MERV 8, MPR 700 (12-Pack) | The Home How do I change my air filter? After finding the right size, turn off the power supply and remove the cover from your intake vent before taking out the old filter. When should I change my air filter? We generally recommend replacing your filter every 90 days to keep your system running efficiently and air clean. We do the rest by making sure your filters arrive on time as requested. Finding the Perfect Fit No matter the size, we've got you covered We now offer a variety of expert services and hundreds of custom air filter sizes that are compatible with a near infinite number of systems, because we know that when it comes to clean air, there isn’t a one size fits all solution. 100% American Made Local sourcing and manufacturing From our first air filter produced in 2013, we have proudly built our business in the USA, now manufacturing in Alabama, California, Florida, Illinois, North Carolina, Pennsylvania, Texas, and Utah. Cleaner air is always better, and we are firm believers that everyone, everywhere deserves to breathe it. But if you see a specific brand name on a listing, make sure it matches your unit model. If your current air filter does not have a dimension listed on the frame, use a tape measure to record the width x length x depth to find the actual size. SUPERIOR CONSTRUCTION: Easy installation beverage board frames with dual wire backing outperform basic cardboard designs by improving durability and resisting extreme temperatures This robust, homegrown network gives us the unique ability to swiftly fulfill diverse, custom orders directly to the doors of households and businesses across the country at premium rates. This is why we work around the clock to ensure that you, your family, and your community have access to clean indoor air, free of allergens and pollutants, that enables you to routinely live free and breathe freely. 14x20x1 Air Filter Filterbuy 12x24x1 Air Filter MERV 8 Odor & Allergy | Ubuy Actual Size 11.5x23.5x0.75 How many air filters do I need? This varies for every customer depending on specific needs such as the number of vents in your home. All you need to do is find the right product and choose the delivery interval. Better Air For All Championing indoor air quality At Filterbuy, we care about the air you breathe because we consider it the foundation for maintaining a healthy lifestyle. Nominal Size vs., Actual Size Measurement System Minimum Efficiency Reporting Value (MERV) Rates the ability of filters to trap particles on a scale of 1-20 (smallest microns captured at 20). Why should I change my air filter? To maintain a healthy lifestyle, as breathing dirty air can put you at risk to develop asthma, allergies, and other respiratory ailments. MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality you can trust Will these air filters fit my system? Most of our filters are universally compatible and will work with any furnace, air conditioner, heat pump, or HVAC system as long as you choose the proper size. All filters have both. MERV 8 (Odor Eliminator) synthetic media protects homes by trapping 90% of airborne particles and mitigating adverse smells. ---Our electrostatically charged design features 12 pleats per foot and lasts 3x longer than fiberglass models by capturing more harmful particles Whereas the actual size is an exact measurement, normally in a smaller font, that depicts the filter's precise dimensions (ex: 15., 50 x 19., 50 x 0., 75). The majority of our Amazon catalog is already eligible for the program, and you even get a discount on every delivery when you enroll, making it an easy choice. The Filterbuy replacement air filter 12x24x1 (actual measurements: 11.38 x 23.38 x 0.75) ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle Standard Protection (90%) MERV 8 Air Filters Perfect for almost any home or business that wants great indoor air quality at a reasonable rate. Choosing the Correct Filter Size Measuring Your Air Filter