Mars Hydro 4" Inline Duct Fan with Thermostat Controller – 205 CFM Quiet Ventilation

Mars Hydro 4" iFresh Kit – Inline Duct Fan, Carbon Filter & Ducting Combo

Mars Hydro 6" Inline Duct Fan with Thermostat Controller – Quiet 402 CFM Ventilation

Mars Hydro 6" Auto Oscillating Clip-On Fan for Indoor Grow Tents

Mars Hydro 6" Carbon Filter Scrubber with Ducting – Indoor Odor Control

Mars Hydro 4" Carbon Filter Scrubber with Ducting – Indoor Odor Control