Mars Hydro 4" Inline Duct Fan and Carbon Filter Combo with Temperature and Humidity Controller 9 CFM Activated Carbon inside is what

Activated Carbon inside is what sets our filters apart from the competition

6mm inlet- 4 larger holes than 1

Packaging Dimensions:                      156mm(L) x 83mm(W) x 30mm(H)

Heavy-Duty Shade Cloth for Plant Protection

large canopy rolling bench layouts

Mars Hydro 4" Inline Duct Fan and Carbon Filter Combo with Temperature and Humidity Controller 9 CFM Activated Carbon inside is whatDescription Ventilation System Includes: 4" Inline Duct Fan, 4" Carbon Filter, Thermostat Controller, 25 ft Flexible Duct Tube, 3 Duct Clamps, and 2 Hanging Straps. Smart Operation and Quiet Inline Fan: The Mars Hydro 4 inch inline fan features a PWM controlled EC powered motor and mixed flow design, delivering airflow up to 205 CFM quietly. Controlled by a digital touch screen thermostat controller with a sensor probe, it offers functions such as