Ac Infinity, Duct Carbon Filter, Australian Charcoal, 4-Inch

Designed to eliminate odors and chemicals for grow tents and hydroponics room.
Features premium-grade Australian charcoal with higher adsorption and longer life rating.
Contains heavy-duty aluminum flanges, galvanized steel meshing, and clothed pre-filter.
Enables maximum airflow passthrough for both intake and exhaust configurations.
Duct Opening: 4” | Length: 13" | Airflow Rating: 210 CFM | Carbon: Australian RC412 at 1200+ IAV | Thickness: 38mm