Marketing InformationThe Koch multi-pleat XL8 is a medium efficiency extended surface pleated panel filter, engineered to provide higher initial efficiencies and overall superior performance than standard pleated filters. The MERV 8 and MERV-A 8 performance rating provided by the multi-pleat XL8 make the filter an excellent upgrade from disposable filters and standard MERV 6 and 7-rated pleated filters. The multi-pleat XL8 is the best selection in applications such as hospitals, laboratories, pharmaceutical plants, commercial office buildings and in any system in which a higher degree of indoor air quality is required.