The H9B series frame is used in ASHRAE built-up filter banks with press-fitfasteners to facilitate the rapid replacement of air filters. Our standard sizes make it easy to engineer a new system or retrofit an existing installation without needing special size filters.
The H9L Series frame is used with wire-type and press-fit fasteners in ASHRAE built-up filter banks to facilitate rapid replacement of air filters.Our standard sizes make it easy to engineer a new system or retrofit an existing installation without the need of special size filters.