Ensure your AprilAire 213 furnace filter is up to the task of maintaining your indoor air quality with the ZHOP 213 MERV 13 Pleated Filter. This high-quality replacement filter measures 20 x 25 x 4 inches and boasts a remarkable lifespan of 12 months, offering both efficiency and value. The filter's impressive MERV 13 rating ensures that it can capture particles as small as 0.3 microns, making it ideal for those with allergies or asthma. This pack includes two filters, so you can maintain the purity of your air supply for an extended period without the need for frequent replacements. Keep your home comfortable and healthy with this dependable furnace filter.