AC INFINITY RAXIAL S4, Inline Booster Duct Fan with Speed Controller, 4-Inch Environmental Controllers Diameter when full of water:

Diameter when full of water: 35

which is the practical difference from a salt-solution pack

About Ventana Plant Science:

Its food-grade qualification makes Athena Reset an excellent option for sanitizing

Square drainage grid

AC INFINITY RAXIAL S4, Inline Booster Duct Fan with Speed Controller, 4-Inch Environmental Controllers Diameter when full of water:AC 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