Our specialized filtration media has the most effective combination of particle capture rate， with minimum pressure drop， ensuring the best overall performance of your HVAC system and particle capture rate to clean the air.FeaturesDesigned to perform with high efficiency and minimum pressure drop; conserving energy and lowering costs.Minimum Efficiency Reporting Value (MERV) of 11; generating better filtration with fewer particles and contaminants that pass through the filter.Pleated design allows the BestAir filter to trap up to 95% of airborne particles from 0.3 to 10.0 microns; Long life filter design for long-lasting performance up to 12 months.Easy to install.Proudly Made in the USA SpecificationsManufacturer #: A201-SGM-BOX-11RFits: SPACE GARD 2200 2250 (201) 24 inch – *includes cardboard frame*Allergens contaminants best removed by this filter: Dust/Lint， Dust Mite Debris， Mold Particles， Most Smoke， Pollen， Pet Dander， Bacteria， Virus Carriers while allowing cleaner air to flow through.Type: Air FilterDimensions: 20" x 25" x 6"Color: WhiteQuantity: 1Manufacturer #: A201-SGM-BOX-11R