Ventilation Kit, 6'' Filter, 25' Ducting, 350 CFM Inline Fan With Controllers & Thermohygrometer & Rope, iPower

and center hub which reduces noise and vibration
6 Inch Filter: Dimensions: 6 inches Flange Ducting x 16 inches Length, Reversible flange. Free Pre-Filter included: We recommend replace the Pre-Filter every 6 months to protect your filter
6 Inch 25 Feet Uninsulated Aluminum Ducting plus 2 Stainless Clamps: Flame-retardant coating and corrosion-resistant wire helix, Temperature endurance range from 0 to 185°F. (-18? to 85?)
Fan Speed Controller: Variable Speed, OFF, HIGH, MED, LOW. To avoid the risk of burning out the fan motor, controller does NOT adjust below 50%. We recommend replace the Pre-Filter every 6 months to protect your filter
Multi-functional: this ventilation combo removes heat and eliminate the undesirable ill-smelling odors in the grow tent to solves air delivery problems without major system rework or expense