AC Infinity Inline Duct Fan Silencer - 4 Inch | 100mm

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AC InfinitySKU: AC-DSA4

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Sale price$94.95 Regular price$109.95
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Grower Tip

  • Install the silencer between the inline fan and ducting where airflow noise is most noticeable.
  • Keep every connection at 100mm to avoid reducers and unnecessary airflow restriction.
  • Use a 100mm noise-reduction clamp for a secure connection that complements the silencer.

Features

100mm matched fit

The 4 inch duct openings suit 100mm inline fans and ducting without a reducer.

Acoustic foam lining

Wave-pattern neoprene foam is designed to reduce ventilation noise by up to 50% while allowing airflow through.

Reversible flanges

Dual stainless steel flanges support intake or exhaust configurations and fit over a compatible fan flange.

Durable steel shell

The galvanised steel body resists corrosion and withstands temperature changes in ventilation systems.

Compact dimensions

The silencer measures 38.0 x 17.7cm overall with 3.8cm flanges.

  1. 1
    Confirm the diameter

    Use this model only with 100mm | 4 inch fan ports and ducting.

  2. 2
    Choose the position

    Place it between the inline fan and ducting, or elsewhere in the ventilation chain where noise is most noticeable.

  3. 3
    Secure both joins

    Fit the reversible flanges over compatible ports and secure each connection with correctly sized duct clamps.

  4. 4
    Test the system

    Run the fan and check that every join is secure and airflow remains unobstructed.

Will this silencer fit my inline fan?

It is designed for ventilation equipment with 100mm | 4 inch ports. The AC Infinity CLOUDLINE S4 is the matched 100mm fan in the Grow Kings catalogue. Check the diameter of every fan, filter and duct connection before ordering so the system stays the same size throughout.

Where should I install it?

It can sit between the inline fan and ducting or elsewhere in the ventilation chain. Its reversible flanges support intake and exhaust layouts, so choose the location where fan vibration and airflow noise are most noticeable while keeping the silencer securely connected.

How much noise does it reduce?

The wave-pattern neoprene foam and metal flanges are designed to reduce ventilation noise by up to 50%. The result will vary with fan speed, duct layout, connection quality and the type of noise travelling through the system.

What are its dimensions and materials?

The body measures 38.0 x 17.7cm, with 3.8cm flanges and 100mm duct openings. It combines a galvanised steel shell, reversible stainless steel flanges and neoprene acoustic foam for a durable inline ventilation accessory in grow rooms.

Description

A ventilation ducting tool designed to dampen or reduce noise coming from airflow in grow tent or server closet ventilation systems.

It utilizes high-grade neoprene foam crafted in a wave crest pattern that diminishes sound wave movement, reducing noise pollution by up to 50%. The egg crate foam muffles sound vibration while allowing maximum airflow passthrough for both intake and exhaust configurations.

Both aluminum flange openings also assist in absorbing sound waves from vibrations, seamlessly fitting over your inline duct fan’s flange. Each silencer is built with a solid galvanized steel body that is corrosion-resistant and can withstand extreme temperature changes.

Applications

The duct silencer is often paired with inline extractor fans in grow tents and hydroponic grow room applications. It can be installed anywhere in the ventilation system chain like in between the fan and ducting. The silencer can also be used in many home HVAC applications including AV equipment room cooling, closet cooling, and bathroom ventilation. This creates a comforting home environment that is quieter and more relaxing, or a workplace that is less distracting.

Key Features

  • A duct muffler designed for use with inline fans in grow tents, bathroom fans and other HVAC applications.
  • Features dual aluminum flanges to help absorb sound waves from fan vibrations and airflow.
  • High-quality neoprene foam in an egg crate pattern that will reduce fan noise by up to 50%.
  • Galvanized steel body that is corrosion-resistant and can withstand extreme temperatures.
  • Duct Opening Diameter: 4 inches | Length: 15 inches | Weight: 2.30 pounds

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