We recently sold a new 20x25x4 MERV 11 pleated air filter to a customer. This high-efficiency filter is designed to capture dust, pollen, and other airborne particles, significantly improving indoor air quality. The filter’s deep pleats increase surface area, enhancing its lifespan and performance. It fits most standard HVAC systems, ensuring compatibility and ease of installation. Replacing filters regularly is crucial for maintaining optimal system efficiency and ensuring a healthy home environment. Trust our high-quality filters for superior air filtration.