The DUO PAK 40 is a 2-ply filter measuring 20x20x15, packaged in sets of 5. This filter is designed for high-performance air filtration, effectively trapping dust and allergens. Its robust construction ensures durability and longevity, making it suitable for various HVAC systems. The dimensions allow for easy installation in standard filter slots, while the 2-ply design enhances filtration efficiency. Compliant with industry standards, the DUO PAK 40 is an excellent choice for maintaining clean air in both residential and commercial spaces.
