The STRATA FILTER 21-1/2x27x1 is a high-performance air filter by AAF International, designed to enhance air quality in HVAC systems. This filter measures 21-1/2x27x1 inches and features advanced filtration technology that captures a wide range of airborne particles, including dust and allergens. Its durable design ensures long-lasting performance, making it suitable for both commercial and residential applications. The STRATA FILTER meets stringent industry standards for efficiency and air quality, ensuring compliance with ISO and ANSI regulations. Easy to install and maintain, this filter is an excellent choice for improving indoor air quality.
