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AC Infinity 4" Duct Silencer
AC Infinity 4" Duct Silencer
AC Infinity 4" Duct Silencer
AC Infinity 4" Duct Silencer
AC Infinity 4" Duct Silencer
AC Infinity 4" Duct Silencer
AC Infinity 4
AC Infinity 4
AC Infinity 4
AC Infinity 4
AC Infinity 4
AC Infinity 4
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AC Infinity 4" Duct Silencer

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AC Infinity 4" Duct Silencer

Introducing the AC Infinity 4-inch Duct Silencer, a practical solution to minimize noise from your ventilation systems.

This duct silencer works perfectly for indoor gardens and HVAC systems without complicated installation. Capable of reducing noise by up to 50 percent, the AC Infinity Duct Silencer allows you to create a more relaxed environment sans the buzzing sound from fans.

At the heart of the silence are the dual aluminum flanges and high-quality neoprene foam, designed in an egg crate pattern that absorbs the sound waves generated from fan vibrations and airflow. The galvanized steel body ensures durability, offering corrosion resistance and the ability to withstand extreme temperatures.

Installing the AC Infinity Duct Silencer is easy. You can install it between your fan and duct, making it seamless.

AC Infinity 4-inch Duct Silencer Features


Dual Aluminum Flanges
Dual Aluminum Flanges

The AC Infinity features dual aluminum flanges that absorb sound waves from fan vibrations and airflow.


High-Quality Neoprene Foam
High-Quality Neoprene Foam

The egg crate pattern of the neoprene foam efficiently reduces fan noise by up to 50 percent.


Galvanized Steel Body
Galvanized Steel Body

The AC Infinity Duct Silencer uses a galvanized steel body with corrosion resistance and extreme temperature tolerance. 


Easy Installation
Easy Installation

There is no need to completely overhaul your system, as the duct silencer fits seamlessly over your inline duct fan’s flange for a hassle-free setup.


AC Infinity 4-inch Duct Silencer Highlights

  • Reduces noise up to 50 percent
  • 6-inch duct opening diameter
  • Neoprene foam egg crate pattern
  • Dual aluminum flanges
  • Galvanized steel body
  • Length: 20 inches
  • Weight: 3.90 pounds
  • Corrosion Resistant
  • Easy installation

    AC Infinity 4-inch Duct Silencer Specifications

    Product and Mounting Dimensions
    Duct Opening Size 4"
    Total Dimensions 14.96 x 6.97 in. (38.0 x 17.7 cm)
    Flange Length 1.50 in. (3.8 cm)
    Product Performance and Technical Specs
    Flange Material Stainless Steel
    Flange Design Reversible
    Shell Material Galvanized Steel
    Foam Material Neoprene Foam

    AC Infinity 4-inch Duct Silencer Warranty

    All sales final. AC Infinity comes with a two-year warranty. 

    Please note this does NOT cover non-durable goods or consumables designed to be recurrently used.

    Shipping & Returns

    Order Processing & Shipping

    We currently ship within the United States only. No international shipping is available at this time.

    Order Processing:

    • Most orders are processed within 24-48 hours after being placed.
    • Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

    Shipping Times:

    We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

    • USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
    • FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
    • UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

    Note:

    • These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
    • For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

    Free Shipping

    Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

    Refunds & Returns

    Cancellations are accepted within 24 hours of placing an order.
    Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

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