CI Sure shield® MERV-10 Pleated Filters are an extended surface, medium-efficiency product designed to provide optimum performance in both pre-filtration and standalone applications. The uniquely engineered mechanical filter media is designed to provide the optimum performance in airflow resistance, efficiency and dust-loading uniformity. With its exceptional design, the CI Sure shield® MERV-10 Pleated Filter helps to improve indoor air quality and remove contaminants from HVAC environments. This pleated filter is engineered to protect both expensive HVAC equipment and workers from dirty air and its damaging effects. The CI MERV-10 Pleated Filter will also extend the life of costly secondary filters. Equally important, the user-friendly filter is lightweight, durable and easy to install.