Ruck 20" Prime Mixed Flow Inline Duct Fan – 4595 CFM Markers Bulk 55-gallon drum minimizes refills

Bulk 55-gallon drum minimizes refills for commercial operations

Sledgehammer is Organic and Natural and can be used both hydroponic and soil applications

Super Flex wall: Soft enough to route tight corners without kinking

engineered for optimal performance with Pelletized Activated Carbon CKV-4

5 in tubes to steer airflow

Ruck 20" Prime Mixed Flow Inline Duct Fan – 4595 CFM Markers Bulk 55-gallon drum minimizes refillsHigh Performance 20 Inch Inline Duct Fan The Ruck 20" Prime Mixed Flow Inline Duct Fan is built for serious airflow applications, offering up to 4595 CFM with minimal energy consumption. Its German engineered 3D impeller blades provide exceptional aerodynamic performance and efficiency, ideal for large scale ventilation and hydroponic setups. Durable, Reliable, and Efficient Housed in a robust aluminum shell with an IP54 motor rating, this fan resists