Vortex Acoustic Ducting. Vortex Acoustic Ducting is the absolute best for silent and effective grow room application. From the experts at Vortex, this Acoustic Ducting conforms to all VOC (Volatile Organic Compound) standards. Cost-effective With its clever design, this Vortex Acoustic Ducting offers a cost-effective & flexible alternative than bulky and inconvenient silencers. Acoustic Ducting is reduces the noise made by ventilation fans in grow rooms & industrial areas. Super Lightweight Lightweight and easy to install, Vortex Acoustic Ducting requires no special tools or cutting implements in its installation. Its incredibly well engineered, fire safe and suitable for stealth use in small grow tents and for use in larger factory applications. Its fire resistant and produces no toxic gasses or volatile compounds for ultra safe use and complete peace of mind. Key Features Premium quality Acoustic Ducting Cost-effective Stealth & Silent Lightweight Super Easy to Install No tools required Fire-resistant 5 Meters per pack
