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AC Infinity, Duct Carbon Filter, Australian Charcoal, 4 Inch - 100 MM

  • 4” inline filter designed to block odours and chemicals from escaping grow tents and hydroponics rooms.
  • Features premium-grade Australian charcoal with greater adsorption and longer life rating.
  • Powder-coated gunmetal finish is constructed for high durability and rust resistance to high-level humidity.
  • Built with aluminium flanges and a galvanised steel mesh; includes two hanging straps and two pre-filters.
  • Duct Opening: 4” | Length: 13" | Airflow Rating: 210 CFM | Carbon: Australian RC412 at 1200+ IAV | Thickness: 38mm


A high-airflow duct filter designed to eliminate odours and chemicals, utilising a premium-grade Australian Virgin charcoal bed. This activated carbon bed has RC412 pore sizes that enable a high adsorption rate and longer life rating. Its heavy-duty construction features aluminium flanges and dual-sided galvanised steel mesh with a rust-resistant gunmetal finish to stand up to corrosion and high humidity. The carbon filter can be used with an inline duct fan for use in intake and exhaust configurations, while its flanges can be reversed to further prolong its lifespan. Includes two machine-washable pre-filter cloths to prevent carbon residue and two hanging straps for easy installation.


Each carbon filter features premium-grade Australian Virgin carbon rated at 1200+ IAV. It comprises a 38 mm charcoal bed thickness that has a higher microporosity and helps achieve a greater surface area rating. This, when combined with its wide mesh opening, not only enables a greater adsorption rate without restricting free airflow but also extends its lifespan by up to 33%. Most used in hydroponics systems, grow tents, grow rooms, kitchens, smoking areas, and other ventilation projects.


AC Infinity Duct Carbon Filter

 Product Identification
   Manufacturer    AC Infinity Inc.
   Product Name    Duct Carbon Filter 4"
   Product Model    AC-DCF4
   UPC Code    819137020665
   Product and Mounting Dimensions
   Duct Opening Size    4"
   Total Dimensions    13.35 x 6.97 in. (33.3 x 17.7 cm)
   Flange Length    1.46 in. (3.7 cm)
   Product Performance and Technical Specs
   Flange Material    Aluminum
   Flange Design    Reversible
   Mesh Material   Rust-Resistant Galvanized Steel with Gunmetal   Finish
   Carbon Type    Australian Virgin RC412
   Carbon Grade    1200+ IAV
   Carbon Thickness    38mm
   Maximum Airflow    210 CFM
   Product Manual
   Product Manual
   Product Manual PDF