Reusable 16X20X1 Air Filter - Merv 11 | 1 Foldable Frame + 1 Refills (Not Package Includes - You will receive 1x ABS Frame, 1x MERV 11 Filter Media, 1x Clean brush. The reusable air filter nominal dimensions is 16x20x1 inches. The actual dimensions is 15.59" x 19.56" x 0.78". Unlike cardboard air filters that need to be thrown away after just one use, the reusable hvac filter features a sturdy ABS frame that allows you to reuse multiple times. When you need to change the filters, Simply changing the filter media. Cost Effective Value Choice - The reusable furnace filter provides up to 3 months of continuous use before requiring replacement. When you run out of filter media, you can buy filter media separately from our amazon AErovivo shop. Superior Performance - If you're looking for a reliable and cost-effective way to improve the air quality inside your home, look no further than the AErovivo Reusable 16x20x1 Air Filter. This deep-pleated furnace filter media provides superior MERV 11 performance and Rated at an impressive MPR 1200 FPR 7. Easy Installation ? Maintenance - Simply take out your old filter, wipe down (come with brush) the reusable frame if needed, insert filter media into place, and reinstall into your air conditioner - it couldn?t be easier! For superior performance, we recommend changing your FILTER MEDIA every 90 days or sooner. Say Goodbye to Bulk Cardboard Air Filters - Instead, our industry-leading 'Frame + Media' replaceable solution offers a compact alternative. Each individual filter is compactly packaged, taking up only one-tenth the space of a conventional cardboard filter. This means you'll have more room to store other items in your cupboards.