The MERV 13 is the top tier of filters for contaminant removal in residential retail air filters Protection against dust lint dust mite debris pollen mold pet dander bacteria virus carrier Features . Length 20 . Height 1 . Width 16 . Filter Material Polyester synthetic. Minimum efficiency reporting value 13 MERV. Metal mesh support. Filters mold. Pleated. Filters dust. Filter frame material Moisture resistant die cut chipboard. Filters smoke. Filters pollen. Lasts up to 90 days. Electrostatically charged. Wire backed media Specifications . Dimension 16 5 H x 10 75 W x 20 25 L. Weight 6 2 lbs