Description
Phonic Trap 254mm x 6 Metre is professional-grade acoustic ducting insulation that provides significant sound attenuation for large inline fans and commercial extraction systems. We have been recommending Phonic Trap acoustic ducting to UK growers since 2017 as the most effective passive solution for reducing fan and extraction noise — and the 254mm x 6-metre version is matched to the largest inline fan sizes and longest duct runs encountered in commercial-scale grow rooms.
How Phonic Trap 254mm Delivers Superior Sound Reduction
At 254mm diameter, this Phonic Trap is designed to work with the large-diameter inline fans commonly used in commercial growing environments — units capable of moving thousands of cubic metres of air per hour. These fans generate significant acoustic energy at both the fan noise frequency and the air movement frequency, and standard metal or flexible plastic ducting transmits all of this noise efficiently to wherever the exhaust terminates. Phonic Trap’s multi-layer acoustic construction — a dense mineral wool or polyester foam core encased in a reflective jacket — absorbs sound energy across a wide frequency range before it can propagate through the ductwork. The 6-metre length provides enough acoustic path length to achieve the noise reduction required for most commercial and residential installations. Used alongside silenced fan housings such as the Revolution Vector EC range, the combination delivers a genuinely quiet extraction system even when moving very large air volumes.
How to Install Phonic Trap 254mm x 6m
Connect the Phonic Trap directly to the fan outlet using a 254mm ducting clip or jubilee clamp. Route the full length of the Phonic Trap from the fan toward the exhaust point, minimising bends and maintaining a gradual gradient where possible for maximum airflow and sound absorption. Secure at intervals using duct hangers or clips to prevent sagging that could restrict airflow. Connect standard metal duct or louvre at the exit end. Seal all connection points with duct tape for airtight joins. For maximum acoustic performance, also apply Phonic Trap to the inlet side of the fan where the carbon filter connects.
Pair Phonic Trap 254mm with a Revolution or RAM silenced inline fan, a Can-Lite or Carbo Air carbon filter, and an EC fan controller for a powerful, quiet, and efficient commercial extraction system. Browse our full ventilation range for the complete setup.
Browse the full range: Explore our complete New Products range at The Horticulture Company. Also in this range: IONIC CALMAG PRO, UGRO XL BASIC 70LITRE, EXHALE CO2 BAG, PLANT !T YOYO (PACK OF 8).






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