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🔇 Silence your space, amplify your focus.
The AC Infinity Inline Duct Fan Silencer is a high-performance noise reduction muffler designed for 100mm (4-inch) duct systems. Featuring dual aluminum flanges and neoprene egg crate foam, it reduces fan noise by up to 50%, while its galvanized steel body ensures durability against corrosion and extreme temperatures. Perfect for hydroponic grow tents, bath fans, and HVAC applications, this lightweight silencer offers a professional-grade solution to create a quieter, more efficient environment.










| ASIN | B0829GJ5Q7 |
| Best Sellers Rank | 62,570 in Garden ( See Top 100 in Garden ) 48 in Hydroponic Ventilation Equipment |
| Brand | AC Infinity |
| Brand Name | AC Infinity |
| Configuration | Dual/Dual |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 193 Reviews |
| Global Trade Identification Number | 00819137021051 |
| Item Highlight | Silencer for Indoor Hydroponics Grow Tent Ventilation Systems, 4-Inch |
| Item Shape | Round |
| Item Weight | 2.3 Pounds |
| Item weight | 2.3 Pounds |
| Manufacturer | AC INFINITY |
| Manufacturer Part Number | AC-DSA4 |
| Material | Aluminium alloy steel |
| Material Type | Aluminium alloy steel |
| Model Number | AC-DSA4 |
| Number of Items | 1 |
| Shape | Round |
| UPC | 819137021051 |
| Unit Count | 1.0 count |
M**S
Excellent
Top carbon filter
R**S
Works
Definitely makes it a bit quieter
M**?
five stars
Like most AC Infinity products this silencer is another winner, it works perfectly well at reducing noise, in fact beyond expectations! Just put it at the very end of duct line you want to quiet down, easy!
T**I
Macht was er soll 👍👍
Der Rohrschalldämpfer ist von hoher Qualität und senkt den Geräuschpegel merklich ab - geschätzt 25 % weniger - er macht also was er soll, daher eine klare Kaufempfehlung von mir 👍
S**U
As described prompt post to Aus
As described prompt post well securely packed would buy from again
C**N
Perfect for venting a sound booth
Purchased for a fairly novel use: ventilation for a Whisper Room isolation booth. I am a professional audiobook narrator and require a very low noise floor. Unfortunately, in the past, I've been relegated to quiet computer fans, which simply do not replace enough air in a small space that I spend hours in at a stretch. This fan has been a game changer. With the old computer fan system, I'd end the work day partially asphyxiated - literally. Overly tired, light-headed and confused. Not good! Changing to this fan, I'm probably replacing the air in the booth several times per hour, meaning everything about my performance has drastically improved. The best thing? I can't hear the fan *at all*, and neither can my audio equipment. My noise floor is -72dB with this fan on the fourth setting. Over all, I couldn't be happier.
P**N
Pas très brouillant
Tres bien conçu et robuste
A**,
this is a SUPER SILANCER
I bought a 4 in brushless furance duct booster fan around 4 years ago on amazon runs about 10 percent out of 100 percent. oh the sound well i seen the silancer now i can hear the fridge never before. but 4 years i with the booster fan No water on the back room windows be for they used a 3 ft base boaed heater ? $$$$$$$ the back rm is 10 degrees coller on very cold days and No water bries the snow from the boots after a while. this stuff was free since the hydro IS Very Low with the fon most of the time . LOL and wood cook stove oven is mostly on
Trustpilot
4 days ago
2 weeks ago