Additional InformationASHRAE 52.1/52.2|UL 900|ULC S111-07
Marketing InformationThe Koch Filter® Multi-Pleat™ XL11 is a medium efficiency extended surface pleated panel filter, engineered to provide higher initial efficiencies and better overall performance than standard pleated filters. The Multi-Pleat™ XL11 carries a MERV 11 fractional efficiency rating in accordance with ASHRAE 52.2. The filter will also provide an Initial dust spot efficiency of 45% and an average dust spot efficiency of 55 to 60% in accordance with ASRAE 52.1. The MERV 11 efficiency ratings provided by the Multi-Pleat™ XL11 make the filter an excellent upgrade from disposable filters and ordinary pleated filters in applications such as hospitals, laboratories and pharmaceutical environments.