**REFURBISHED** Air Box 2, Ste The Airbox 2 carbon filter has 6" flanges and a CFM of 800. 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... $264.35 $431.94
**REFURBISHED** Air Box 1, Ste The Airbox 1 carbon filter has 4" flanges and a CFM of 500. 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... $224.78 $367.29
