AC InfinityCLOUDLINE S4, 4” Inline Duct Fan, Quiet & Energy Efficient, 205 CFM, 28 dBA, 24W, 11.9” x 6.9” x 9cm, Compatible with Grow Tents, AV Racks, Desktops & Laptops

AC InfinityCLOUDLINE S4, 4” Inline Duct Fan, Quiet & Energy Efficient, 205 CFM, 28 dBA, 24W, 11.9” x 6.9” x 9cm, Compatible with Grow Tents, AV Racks, Desktops & Laptops

Q: What is the max temp of use for this fan? i see you said 240f, but all other manufacturers with plastic impellers say max temp 140f. are you certain?

Always stay a minimum of 25% below specified temp. At minimum they can warp and and motor performance would be affected

Q: If powered from a switched outlet, will it remember the last speed setting or does that require constant power?

Morning RS, the S4 will not remember your fan speed. It’s a manual setting only. I also have a T4 with a smart controller and it does remember and can be set to auto for heat and humidity. The T4 is for auto exhaust and S4 is intake. If it is your only fan go with the T4. Also, if you have more than 200sf to ventilate go directly to the T6. The are very quiet which is important as my room is under a bedroom. Hope this helps.

Q: How well does this work with a carbon filter?

I have a 350 Cfm Coco/Carbon Fiber filter that I place on the Exit side of my application. I have tested the filter on both the intake and the exit. I found these units Push much better than they Pull. I do have to increase the power by 10% when I install the exit filter, but it's not really an issue in my application.

4.7/5

Product ID: 468244427

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Details

Brand
AC Infinity
Power connector type
3-Pin
Voltage
240 Volts
Wattage
21 watts
Cooling method
Air

⚡24W energy efficient

🔇28 dBA ultra-quiet

🌬️205 CFM airflow

Frequently Bought Together

AC Infinity CLOUDLINE PRO S4, Quiet 4” Inline Duct Fan with Speed Controller – EC Motor Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

Description

🌬️ Quiet power, smart airflow — breathe easy, work smarter.

PLUG PLAY SETUP - Includes all mounting hardware and a power adapter for effortless installation and immediate use.
ENERGY SMART DESIGN - Consumes just 24 watts, saving you money while keeping your space perfectly ventilated.
WHISPER QUIET POWER - Operates at a barely-there 28 dBA, perfect for focused work or stealthy grow tent ventilation.
VERSATILE COMPATIBILITY - Fits seamlessly with grow tents, AV racks, desktops, and laptops for multi-purpose airflow solutions.
PRECISION AIRFLOW CONTROL - 8-speed PWM controller lets you dial in the perfect 205 CFM airflow for any environment.

The AC Infinity CLOUDLINE S4 is a 4-inch inline duct fan delivering 205 CFM airflow at an ultra-quiet 28 dBA noise level. Featuring an 8-speed PWM-controlled EC motor, it offers precise airflow management with exceptional energy efficiency at just 24 watts. Designed for versatile use in grow tents, AV racks, and workstations, it includes all necessary mounting hardware and a power adapter for quick installation.

Specifications

Brand	AC Infinity
Product Dimensions	9 x 19 x 30 cm; 2.56 kg
Item model number	CLOUDLINE S4
Manufacturer	AC Infinity
Voltage	240 Volts
Wattage	21 watts
Power Source	Power Adapter
Are Batteries Included	No
Item Weight	2.56 Kilograms

Have a Question? See What Others Asked

What is the max temp of use for this fan? i see you said 240f, but all other manufacturers with plastic impellers say max temp 140f. are you certain?

If powered from a switched outlet, will it remember the last speed setting or does that require constant power?

How well does this work with a carbon filter?

What is the best way to connect this to 12 or 24 volt system?

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