This 3M air filter is an excellent choice if you're looking for an effective way to reduce the presence of dust and other unwanted particles around your house. It was designed for residential areas. You won't have to worry about household dust, debris, lint, or pollen polluting your air anymore thanks to this product. It delivers better performances than non-electrostatic filters and has an MPR of 300. Each filter measures 16 in. x 25 in. x 1 in. and lasts up to 3 months.