High quality pleated panel filters are used in HVAC as the primary filter in applications including general industrial, medical, and commercial. Or as prefilters to protect and extend the life of final filters in similar applications. We currently offer a range of sizes in 1 inch, 2 inch and 4 inch depths with synthetic media offering MERV 8-A performance. Filters include high wet strength beverage board frames and expanded metal backing downstream. 2” and 4” depth filters are rated at 500 fpm and 1” depth filters are rated at 350 fpm.