The Koch Multi-Pleat GREEN 13 is a high efficiency extended surface panel filter, engineered to provide higher initial efficiencies and better overall performance than standard pleated filters. The Multi-Pleat GREEN 13 carries a MERV 13 fractional efficiency rating in accordance with ASHRAE Test Standard 52.2. The MERV 13 efficiency rating meets the air filtration efficiency criteria required to earn points toward certification in the Leadership in Energy and Environmental Design (LEED) Green Building Rating System. The MERV 13 efficiency ratings provided by the Multi-Pleat GREEN 13 make the filter an excellent choice.
