The HCD-130LE is design for use in replacements in existing lab exhaust units, as a standalone in custom lab exhaust units. They also work on Greenheck's Vektor® units.
Blade Type: Fabricated airfoil
Pressure: Up to 8½ in. wg (2.1 kPa)
Velocity: Up to 4000 fpm (20.3 m/s)
Temperature: -40°F to 250°F (-40°C to 121°C)