AC Infinity Duct Carbon Filter, Australian Charcoal, 4-inch 3pk Parent strains are Humboldt OG

Parent strains are Humboldt OG and Humboldt Venom OG

Convenience at its Best: With its convenient and efficient design

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It is built with a PWM-controlled EC motor for quiet and energy-efficient performance

AC Infinity Duct Carbon Filter, Australian Charcoal, 4-inch 3pk Parent strains are Humboldt OG4 inline filter designed to block odors and chemicals from escaping grow tents and hydroponics rooms. Features premium grade Australian charcoal with greater adsorption and longer life rating. Powder coated gunmetal finish is constructed for high durability and rust resistance to high level humidity. Built with aluminum flanges and a galvanized steel mesh; includes two hanging straps and two pre filters. Duct Opening: 4 Length: 13" Airflow Rating: 210