Active Air Aluminum Duct Tape (Model ACT120) is a heavy-duty, 120-yard heat-resistant tape made by Hydrofarm for ventilation systems. It features a strong pressure-sensitive adhesive that sticks firmly to metal and flexible ducting even in dusty or hot indoor growing environments.Key FeaturesLength: 120 yards per rollMaterial: Heavy-duty aluminum foilAdhesive: Pressure-sensitive backing for high durabilityUse: Attaching, sealing, and repairing HVAC or ventilation ducting