The Duct Carbon Filter XL 4-Inch is a highly effective solution for managing odors and chemical vapors. A great addition to any grow tent or hydroponic setup, it’s designed to maintain optimal airflow for both intake and exhaust configurations. The sturdy and long lasting structure includes an extra-large carbon bed that maximizes airflow and prolongs the lifespan of the filter. Built with durability and efficiency in mind, the alinuminium flanges and stainless-steel meshing lower the changes of rusting while maintaining high performances. Designed premium-grade Australian charcoal for more absorption in comparison to industry standard filters, it can handle all types of environments from kitchens to smoking lounges. Used directly with an inline duct fan, it will create an environment with free airflow in no time.