The VAR 2+ HC SH MERV 11 filter from AAF International, measuring 12x24x4 inches, is designed for effective air filtration in HVAC systems. With a MERV 11 rating, this filter captures a significant amount of airborne particles, improving indoor air quality. Its sturdy construction ensures durability and long-term performance, making it ideal for various environments. The dimensions are compatible with standard air handling units, allowing for straightforward installation and replacement. This filter meets industry standards for performance and reliability, ensuring compliance with ISO and ANSI regulations, making it a practical choice for maintaining clean air.