TheSafetyHouse High Capacity Wooden HEPA Filter 24" x 24" x 11.5" for Negative Air Machines, True 2000 CFM
TheSafetyHouse's High Capacity HEPA Filters have are made from 5/8" particle board framing with 99.7% efficiency ratings at .3 microns. The high High Capacity (36 pleats/ft.) allows for true 2000 CFM.
99.7% efficiency ratings at .3 microns High Capacity (36 pleats/ft.) Particle board frames