Hydroponics 4" Inline Fan Duct Noise Muffler Silencer

23MFL001-4
Overall Rating 4 out of 5

Retail: $73.99

$49.99

SAVE 32%

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All of our domestic orders are shipped within same business day, assuming your orders are paid and completed by 14:00 PST.

All orders are verified for validity and security of our customers. Any inaccuracies during our verification process will delay in processing your order. (i.e. orders with different billing/shipping information provided)

International orders are processed within 2 business days due to longer verification details.

All orders placed on Saturdays, Sundays, and major US Holidays will be processed the following business day.

All orders are shipped directly from our Headquarter in California

Standard Shipping: 1-7 Business days

Expedited Shipping Available: 1-3 business days

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Product Information

This is a brand new top-quality 4" Inline Duct Muffler for 4" high velocity fans/blowers. With durable galvanized sheet construction and sound absorbing foam lining, our duct muffler can reduce noise effectively and prevent your health from being hurt by noise. The special designed open cell foam in a convoluted pattern as egg crate is good for superior sound absorption. It can stop the spread of sound wave and allow air flow get through the ducting, perfect for reducing noise from fans and carbon filter systems. Come from professional muffler manufacturer, more effective and durable than other hand-made rough silencers. Safe and environmental friendly!

Features:

  • Two 4" flanged ends.
  • Portable and light weight.
  • Safe and effective operation.
  • Easy to install and maintenance free.
  • High-quality corrosion resistant galvanized sheet construction.
  • Wave crest polyurethane sponge can offer excellent sound and vibration absorption.
  • This high-performance sound absorbing foam lining can reduce 50% noise!
    If the noise of your fan/blower is 50db, our muffler can reduce it to 25db.
  • Moisture resistant - great for use in damp environment.
  • Extended collar and lip for easy duct hook-up.
  • Air tight sealing tape pasted on the muffler.
  • Suggest to use with your 4" ducting(not included) to connect with this muffler and your blower.

Specification:

    Flange 4"
    Fit for Fans/Blowers 4" Flange
    Surface Material Durable Galvanized Sheet
    Sound Absorbing Foam Wave Crest Polyurethane Sponge
    Fusion Point of Foam 250 degree centigrade

The Influence to Hearing of Different Decibel:

    Decibel Sense of Hearing
    0-20db Very quiet, hardly feel
    20-40db Quiet, like soft voice
    40-60db General, like common talk indoor
    60-70db Noisy, bad for nerve
    70-90db Very noisy, nerve cells are damaged
    90-100db Noisy intensify, hearing is damaged

Package Includes:

  • 1x High-quality 4" Duct Muffler

Our excellent duct muffler can make your indoor gardening fan obviously quieter, and help you to keep the good health of hearing. Enjoy your healthy life!

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