The bestAir 16x25"x1" Pleated Filter serves as a universal replacement for any 1" HVAC pleated filter 16" x 25".Features Filters out unwanted particles including dust lint, mold particles, pollen, bacteria, and virus carriers while allowing cleaner air to flow through Designed to perform with high efficiency and minimum pressure drop, conserving energy and lowering costs Filter life up to 3 months Minimum Efficiency Reporting Value (MERV) of 8 Generating good filtration with fewer particles and contaminants that pass through the filter Pleated design allows the BestAir filter to trap up to 79% of airborne particles from 0.3 to 10.0 microns This model is 25-30% more efficient when capturing large household particles passing through the filter than a standard 1" fiberglass filter Made in the USA Specifications Manufacturer #: B1-1625-8-12