16 x 20 x 2 Airguard Pleated Panel Filters *Listed filter size is nominal. Actual filter size is up to ½" less on all dimensions. - MERV 7 - Premium Quality - 10 pleats per foot (2") - 25 - 30% efficiency - MERV-7 - Proprietary Media - Assures Rated Efficiency The heart of the product. Airguard medias are manufactured to exclusive specifications produced only for Airguard. Nobody pays more attention to media specifications than Airguard. Rigid requirements for resistance, efficiency, MERV values and dust holding capacity are verified by QC checks on incoming raw materials, production line sampling and field audits of finished goods. - All DP filters are designed with a consistent pleat shape on predetermined centers causing dirt to collect evenly over the entire surface of the media. Fully utilizing every square inch results in a slow steady rise in resistance for maximum dust holding capacity. - Consistent pleat alignment enhances dust holding capacity for