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 Dimensions 7.48 x 11.89 x 6.93 in.
Screw Hole Size θ 0.197 in.
Cord Length to Controller 72 in.
Controller Total Dimensions 2.70 x 1.37 x 0.55 in.
Total Aifflow (Fan Only) 205 CFM
Total Noise 29 dBA
Max Speed 2600 RPM
Static Pressure 324 Pa
Voltage 100-240 VAC
Frequency 50/60 Hz
Max Power Draw 40 W
Average Power Usage 18 W
Current 0.55 A
Power Connector Type US Plug (NEMA 1-15 Type-A)
Operating Humidity 35 to 85% RH
Operating Temperature 0 to 140 ℉
Ingress Protection IP 44
Fan Bearings Dual Ball
Mounting Positions  Horizontal or Vertical
L10 Life Expectancy 67, 000 Hours

Carbon Filter

Total Dimensions 13.35 x 6.97 in.
Flange Material Aluminum
Flange Design Reversible
Mesh Material Galvanized Steel
Carbon Grade 1200+ IAV
Carbon Thickness 38mm
Max Airflow 210 CFM


Length 300 in. (25 ft)
Outer Layer PVC Thermoplastic
Inner Material Aluminum Foil