Description
PHONIC TRAP 152MM 6M is the acoustic ducting designed to significantly reduce airborne fan and extraction noise in grow room ventilation systems, providing UK growers with a practical solution for managing operational sound levels in noise-sensitive environments. We have been recommending Phonic Trap ducting to UK growers since 2017 as one of the most effective acoustic products available for grow room ventilation noise reduction.
How Phonic Trap Acoustic Ducting Reduces Grow Room Noise
Standard aluminium flexible ducting transmits sound energy with minimal attenuation — the thin metallic wall offers almost no acoustic absorption, allowing fan noise and turbulent airflow noise to propagate the full length of the duct run and radiate from every surface. Phonic Trap addresses this by incorporating multiple layers of acoustic-absorbing materials within the duct wall construction, including a mass-loaded vinyl layer and sound-absorbing foam batting, sandwiched between the inner liner and outer jacket. As sound energy travels through the ducting, it is progressively absorbed by these materials rather than transmitted outward. The result is a measurable reduction in the noise that escapes from the ventilation system, particularly in the mid and high frequency ranges where fan turbulence noise concentrates. The 152mm (6-inch) diameter matches the most common fan and filter size used in UK grow tents and medium grow rooms, and the 6-metre length provides sufficient material for a complete duct run in most setups.
Installation, Compatibility, and Completing Your Acoustic Extraction System
Install Phonic Trap acoustic ducting in place of standard flexible aluminium ducting throughout your vent run — or at minimum on the sections closest to the fan outlet where noise output is highest. Connect using standard jubilee clips to fan spigots, carbon filter outlets, and wall penetrations. Pair with anti-vibration fan mounts and rubber duct couplings at the fan connections to address both airborne and structure-borne noise transmission simultaneously. For the quietest possible grow room extraction system, combine Phonic Trap ducting with a Revolution or Prima Klima acoustic silenced fan. The 6-metre roll accommodates most single-room duct run lengths. Browse our full range of acoustic extraction equipment, fans, silencers, and carbon filters for a complete noise-managed ventilation system build.







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