20" x 20" Stage-Two Ring Panel Filter

Ring Panel Filter (RPF)

Stage-two ring panel filter delivers enhanced airflow efficiency combined with superior depth loading, resulting in an extended service life thereby lessening the change-out frequency of more costly final stage NESHAP 319 tested and approved filters.

• Air intake media is 15 denier dry polyester fiber to capture larger particles
• Air exiting side is 6/16 denier, graduated density polyester fiber to capture finer particles
• Air exiting side also treated with a dry tackifier to trap and hold particles
• Internal 9-gauge wire frame with two support struts
• Media "overlap" around the perimeter of the filter creates a self-sealing gasket to eliminate air bypass

• Air Flow Technology (Series 625 Panel)
• A.J. Dralle (ME/PT Panel)
• ATI (OSM-100)
• Flanders (225T / 325T Panel)
• Koch Filter (Maxi-Grid 300)