Duct Carbon Filter 4 - Charcoal Carbon Filter for 4" Duct Fan spl_ps Consisting of aged and washed

Consisting of aged and washed coco and blended with 30% perlite

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Duct Carbon Filter 4 - Charcoal Carbon Filter for 4" Duct Fan spl_ps Consisting of aged and washedDesigned 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 PRODUCT