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- 3%
AC Infinity Inline Duct Fan Silencer 4"

AC Infinity Inline Duct Fan Silencer 4"

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. 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 fans 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.

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. 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 fans 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.

AC Infinity Inline Duct Fan Silencer 4"

$75.00

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. 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 fans 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.

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. 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 fans 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.

$75.00 - $231.20

in 15 offers

The lowest price for AC Infinity Inline Duct Fan Silencer 4" right now is $75.00 at The Hydro Bros, compared across 13 retailers.

The all-time low was $75.00 on 4 Nov 2026. That's the lowest price we've ever tracked — a great time to buy.

Prices last updated 4 Nov 2026.

Size:

4"
6"
8"

Price comparison

Price data powered by pricesAPI.io

Last updated at 04/11/2026 23:34:44

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=amazon.com.au&sz=64Amazon.com.au

$108.54

AC Infinity Inline Duct Fan Silencer, 4" Noise Reduction Muffler Blower Silencer for Indoor Hydroponics Grow Tent Ventilation Systems

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=thehydrobros.com&sz=64The Hydro Bros

$75.00

AC Infinity Inline Silencer 4" | AC-DSA4

Delivery between 6–18 Nov $159

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64eBay.com.au

$78.50

Duct Fan Silencer, 4” Noise Reduction Muffler For Hydroponics Grow

Delivery $121.04

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=quickbloomlights.com.au&sz=64Quick Bloom Lights

$94.95

AC Infinity Inline Duct Fan Silencer 100 mm (4 Inch)

Delivery between 9–12 Nov $10.95

https://www.google.com/s2/favicons?domain=growkings.com.au&sz=64Grow Kings

$94.95

AC Infinity Inline Duct Silencer 100mm | 4 Inch Noise Reduction

Delivery $20

https://www.google.com/s2/favicons?domain=hydrohub.com.au&sz=64Hydro Hub

$94.95

AC Infinity - Inline Duct Fan Silencer, 4 Inch - 100 MM

Delivery between Sat – Tue $15

https://www.google.com/s2/favicons?domain=greengenius.com.au&sz=64Green Genius

$94.95

AC Infinity Silencer: Quiet Inline Duct Muffler by Green Genius, 4 Inch - 100MM

https://www.google.com/s2/favicons?domain=eppinghydroponics.com.au&sz=64Epping Hydroponics

$94.95

AC Infinity Inline Duct Fan Silencer 4 Inch 100mm

https://www.google.com/s2/favicons?domain=franshydroponics.com.au&sz=64Fran's Hydroponics

$94.95

AC Infinity Inline Duct Fan Silencer, 4inch(100mm)

Delivery $14.95

https://www.google.com/s2/favicons?domain=hydrooasis.com.au&sz=64Hydro Oasis

$94.99

AC Infinity Inline Fan Silencer - Duct Muffler 100 mm

Delivery $49.99

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

In-lineYes

Price comparison

Updated 2 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=amazon.com.au&sz=64
Amazon.com.au

$108.54

AC Infinity Inline Duct Fan Silencer, 4" Noise Reduction Muffler Blower Silencer for Indoor Hydroponics Grow Tent Ventilation Systems

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=thehydrobros.com&sz=64
The Hydro Bros

$75.00

AC Infinity Inline Silencer 4" | AC-DSA4

Delivery between 6–18 Nov $159

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64
eBay.com.au

$78.50

Duct Fan Silencer, 4” Noise Reduction Muffler For Hydroponics Grow

Delivery $121.04

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=quickbloomlights.com.au&sz=64
Quick Bloom Lights

$94.95

AC Infinity Inline Duct Fan Silencer 100 mm (4 Inch)

Delivery between 9–12 Nov $10.95

https://www.google.com/s2/favicons?domain=growkings.com.au&sz=64
Grow Kings

$94.95

AC Infinity Inline Duct Silencer 100mm | 4 Inch Noise Reduction

Delivery $20

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

In-lineYes

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