- Nominal Size: 20x22x1 | Actual Size: 19-1/2 x 21-7/8 x 7/8 | Depth: 1 Inch - Filtration Rating: MERV 13. Equivalent to MPR ratings between 1900 and 2200, or FPR rating 10. This high filtration level captures dust, allergens, and pollutants, ensuring cleaner air in your space. - Made in the USA: Trustworthy quality and craftsmanship. For optimal performance, we recommend replacing the filter every 3 months. - Durable Construction: Heavy-duty frame designed to withstand wear and tear without buckling, ensuring longevity and consistent performance. Key Benefits: - Enhanced Air Quality: Ideal for households with pets, allergy sufferers, or anyone seeking a healthier living environment. - Compatibility: Fits standard HVAC systems, making it a versatile choice for residential and light commercial use. - Easy Maintenance: Simple to replace, keeping your air filtration system running efficiently without hassle. Practical Applications: - Home Use: Perfect for maintaining air quality in living rooms or bedrooms, ensuring a comfortable and healthy space for your family. - Office Environments: Helps reduce airborne contaminants in workspaces, promoting a healthier atmosphere for employees and clients. - Seasonal Preparation: Use during allergy season or high pollen months to reduce symptoms and improve overall air quality. Invest in your health with this reliable air filter that combines superior filtration, durability, and ease of use.