GrowBright 6-Inch CleanFlow HEPA Filter
- High-efficiency particulate arrestance (HEPA) filter for 6" round duct/flange air intakes.
- Blocks 99.97% of particles at .3 micrometers while providing excellent airflow.
- Features easy-install rubberized collar with steel clamp for a proper seal.
- Recommended for use with high-velocity inline fans / blowers - may create too much restriction for small duct fan types.
- Measures (max): 9.25" long x 8.125" diameter, 6" female flange.