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Airbox 4+ Stealth Edition 3500 CFM (12" flanges)

Item #: HT4754

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Airbox 4+ Stealth Edition 3500 CFM (12" flanges)

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Exclusive Coconut Shell Carbon Granules help make the heavy-duty Air Box 4+ successfully eliminate odors for up to 18 months!

These activated carbon granules are an absorbent with well developed pore structure allowing for a range absorbent retention. This activated carbon is particularly well suited for removal of organic contaminants and precious metal recovery.

These units are completely airtight and easy to install, use, and maintain as they fit into any ducting or filtering system. Made with 100% premium virgin coconut charcoal, they feature replaceable high-flow filters which use 100% of the available surface area, for optimum performance. Great for commercial or residential use.

Carbon filter should be changed often; please replace filters every 3 month (all of them) for better results.


  • Easy to install, easy to use, easy to maintain
  • Adaptable to any duct/filtering system
  • Replaceable high-flow carbon filters
  • 100% premium virgin coconut charcoal
  • 100% air tight, continuous worry-free operation
  • 100% of the filter surface area is used
  • For commercial or residential applications
  • Made in the USA


  • Max CFM: 3500
  • Recommended Airflow: 1500 @ 0.05 sec contact time
  • Designed for the Stealth Fan 12"
  • Recommended Min Airflow: 100 CFM
  • Prefilter : Yes
  • Flange: 12"
  • Dimensions: 32" x 16" x 16"
  • Number of Cartridge: 4 XL
  • Cartridges Size: 16" x 24" x 1.5"
  • Total Weight: 120 lbs
  • Max Operating Temp: 176 F


Brand Airbox
SKU HT4754
Weight (lb.) 68
Width (in.) 22
Height (in.) 19
Warranty Yes
Length (in.) 39
Free Shipping Yes
CFM Rating 3500
Filter Type Carbon Filters
Flange Size 12" Diameter

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