Closed top, MERV 15, Nanofiber filter media, 222 sq ft (open pleat design), 17.5” diameter x 23” tall, outer cage – no inner cage.
This filter is designed to flow from the inside-out. The Nanofiber layer is on the inside. These are not the same as typical outside-in industrial filters. (All industrial Nanofiber filters are directional and will fail if used in the reverse direction.)
Includes: Instructions, (2) clear poly dust bags, (1) ABK-4 Angle bracket kit.