AC INFINITY RAXIAL S4, Inline Booster Duct Fan with Speed Controller, 4-Inch Soil + Soilless Mixes Slim Rectangle Format: Runs the

Slim Rectangle Format: Runs the length of a narrow pre-roll tube instead of canting across its diameter

longer for a cabinet

Beyond the CVault it turns up in a few specific places

and the 4 L sits at half of that

AC INFINITY RAXIAL S4, Inline Booster Duct Fan with Speed Controller, 4-Inch Soil + Soilless Mixes Slim Rectangle Format: Runs theAC Infinity RAXIAL S4 4 inch inline booster duct fan The RAXIAL S4 is a compact 4 inch inline booster fan that adds up to 106 CFM to a duct run. A die cast unibody housing, balanced steel blades, and dual ball bearings keep it smooth and quiet at 28 dBA. It draws just 15W at 0. 15A on 110 120V. It plugs in on a 6 foot cord. An included speed controller dials the airflow up or down. Quiet 4 inch duct booster fan for grow tents Growers add it to a long