Pleated Air Filter: 16 x 20 x 4", MERV 11, Mini-Pleat MPN:PRO21633

The pleated air filter offers increased filtration efficiency compared to traditional fiberglass filters thanks to its mini-pleat technology, with a higher density of fibers and deeper pleats, ensuring up to 90% particle removal at 0.3 microns size rating while maintaining reasonable airflow for comfortable indoor air quality. Its efficient MERV 11 rating makes it ideal for removing smoke, dust and pollen from the air, serving well in commercial buildings, hospitals or residential settings to improve overall health and safety conditions while reducing energy costs. Its compact dimensions of 16 x 20 x 4in and lightweight construction make it easy to handle and install in existing HVAC systems without needing major system modification, offering an affordable solution for enhanced air quality that benefits a wide range of industries such as healthcare, hospitality or education requiring consistently clean airflow.