X6667 | Healthy Climate 100898-05, Pleated Air Filter 26 x 21 x 4 Inch, MERV 11 | Lennox

**Filter 21x26x4 MERV 10 (X6667)** Lennox's X6667 Filter, with dimensions of 21x26x4, is designed to enhance indoor air quality by effectively removing airborne particles. It boasts a MERV rating of 10, indicating its ability to capture particles ranging from 1 to 10 microns in size, including dust, mold spores, and pet dander. This filter is constructed from durable materials to withstand the demands of industrial and commercial environments. It features a strong aluminum frame that ensures structural integrity, preventing warping or bending over time. The pleated media design maximizes the surface area for efficient filtration without restricting airflow. The X6667 filter is compatible with various HVAC systems and is ideal for applications where air quality is crucial, such as hospitals, offices, and manufacturing facilities. It effectively improves indoor air quality, creating a healthier and more comfortable environment for occupants. Order your Lennox X6667 Filter today and experience the benefits of cleaner and healthier indoor air! Our HVAC supply store offers competitive prices and fast shipping to ensure you have the products you need when you need them.