Sound Trap Acoustic DuctingOverview Sound Trap Acoustic Ducting reduces the noise of air flow and strong fans. It comprises 3 layers and doesn't include glass wool. Even at an increased air flow, the ducting doesn't change shape. The ducting prevents contamination of the grow room. General Information The product reduces noise from air flow and fans; This Acoustic Ducting provides non allergenic insulation; The product doesn't include glass wool and prevent contamination of the