High-capacity 99.99% metal frame HEPA filters provide replacement particulate filtration for systems specifying this efficiency and airflow capacity. Spycor Environmental lists Glasfloss models with an 11-1/2-inch depth in sizes including 12 x 12, 24 x 24, and 24 x 30 inches, plus fractional-size options.
Facility engineers and HVAC contractors can compare actual dimensions, rated airflow, pressure drop, and sealing configuration. Match the filter to your air handler or housing specifications, and confirm the required capacity before ordering.