Inline Duct Fan DF04

Inline Duct fans feature an inline mixed-flow design to maintain airflow even in high static pressure applications.


  • Leizig CAD designed air flow system allows for the elimination of the dead zones.

  • High efficiency motor is guaranteed to run longer, quieter and cleaner.

  • Turbine head is made of high quality, PP material for wide temperature tolerance.

  • Sleek but practical design facilitates easy and attractive installation.

  • Variable fan speed via manual control or optional intelligent control.

  • 5 year warranty included. 

Model No.DF04
Factory ID No.302000701
Product Name Air Filtration Kit 4”

Fan Unit

Total Dimensions7.48 x 11.89 x 6.93 in.
Screw Hole Sizeθ 0.197 in.
Cord Length to Controller72 in.
Controller Total Dimensions2.70 x 1.37 x 0.55 in.
Total Aifflow (Fan Only)205 CFM
Total Noise29 dBA
Max Speed2600 RPM
Static Pressure324 Pa
Voltage100-240 VAC
Frequency50/60 Hz
Max Power Draw40 W
Average Power Usage18 W
Current0.55 A
Power Connector TypeUS Plug (NEMA 1-15 Type-A)
Operating Humidity35 to 85% RH
Operating Temperature0 to 140 ℉
Ingress ProtectionIP 44
Fan BearingsDual Ball
Mounting Positions Horizontal or Vertical
L10 Life Expectancy67, 000 Hours

Carbon Filter

Total Dimensions13.35 x 6.97 in.
Flange MaterialAluminum
Flange DesignReversible
Mesh MaterialGalvanized Steel
Carbon Grade1200+ IAV
Carbon Thickness38mm
Max Airflow210 CFM


Length300 in. (25 ft)
Outer LayerPVC Thermoplastic
Inner MaterialAluminum Foil