Mars Hydro 4" Inline Fan/Carbon Filter with Thermostat Control
Featuring a 4 inch inline duct fan rated for 205CFM and a carbon filter with Virgin Australian activated charcoal, controlled by a digital touch-screen thermostat controller, the Mars Hydro 4'' inline duct fan and charcoal filter combo ventilation system provides you with everything you need to manage the temperature, the air circulation and the odors in your grow space.
Mars Hydro 6" Inline Fan/Carbon Filter with Thermostat Control
Refreshing Your Grow Room: Featuring a 6 inch duct fan rated for 402CFM and a carbon filter with Virgin Australian activated charcoal, including a digital thermostat controller and 25ft long flexible ducting, Mars Hydro inline duct fan and filter combo offers you everything you need to manage the temperature, the air circulation and the odors in your grow space.