Flanders PREpleat 16 in. W X 20 in. H X 4 in. D Synthetic 8 MERV Pleated Air Filter

Flanders' Pre-Pleat® 40 LPD achieves the highest dust holding capacity and the lowest pressure drop in the industry. These filters are UL 900 classified. 100% synthetic non-woven, proprietary media that can be recycled. Newly designed expanded metal is continuosly laminated on the air leaving side to provide pleat stability while eliminating flutter during operation. Heavy-duty, two piece, moisture-resistant frame includes diagonal and horizontal support members bonded to the media on the air entering and exiting sides for unsurpassed frame strength. Interlocking corners and positive media-to-frame seal reduce the possibility of air-bypass.combination is then folded into an accordion pleat arrangement to increase filtering surface. This greater filtering surface allows more effective filtration while keeping airflow resistance low. The media pack is encased and sealed within a die-cut, moisture resistant frame. Performance level is MERV 8.