---
product_id: 364604520
title: "AC Infinity CLOUDLINE A4, Quiet 4” Inline Duct Fan with Speed Controller, EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics"
brand: "ac infinity"
price: "€ 181.54"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/364604520-ac-infinity-cloudline-a4-quiet-4-inline-duct-fan-speed
store_origin: IT
region: Italy
---

# Energy-efficient EC motor Noise: 29 dBA Airflow: 165 CFM AC Infinity CLOUDLINE A4, Quiet 4” Inline Duct Fan with Speed Controller, EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

**Brand:** ac infinity
**Price:** € 181.54
**Availability:** ✅ In Stock

## Summary

> Breathe Easy, Grow Strong! 🌱

## Quick Answers

- **What is this?** AC Infinity CLOUDLINE A4, Quiet 4” Inline Duct Fan with Speed Controller, EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics by ac infinity
- **How much does it cost?** € 181.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/364604520-ac-infinity-cloudline-a4-quiet-4-inline-duct-fan-speed)

## Best For

- ac infinity enthusiasts

## Why This Product

- Trusted ac infinity brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Use:** Perfect for grow tents, AV closets, and more.
- • **Powerful Airflow:** Boost your ventilation with an impressive 165 CFM.
- • **Smart Compatibility:** Seamlessly integrates with CLOUDLINE smart controllers.
- • **User-Friendly Control:** Includes a wired 10-speed fan controller for tailored airflow.
- • **Whisper-Quiet Operation:** Experience tranquility with just 29 dBA noise level.

## Overview

The AC Infinity CLOUDLINE A4 is a 4-inch inline duct fan designed for efficient ventilation in grow tents and other spaces. With a powerful 165 CFM airflow and whisper-quiet operation at just 29 dBA, it ensures optimal performance without disturbing your environment. The fan features a durable EC motor, a wired 10-speed controller, and compatibility with smart controllers, making it a versatile choice for both heating and cooling applications.

## Description

AC Infinity CLOUDLINE A4, Quiet 4” Inline Duct Fan with Speed Controller, EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics

## Features

- Designed to quietly ventilate grow tents, exhaust odors, transfer heating/cooling to rooms, and cool AV closets.
- Features the same build quality and innovations as the CLOUDLINE Series delivered in a value package.
- Includes a wired 10-speed fan controller; also compatible with all CLOUDLINE Series smart controllers.
- Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.
- Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 165 CFM | Noise: 29 dBA | Bearings: Dual Ball

## Product Details

- **Brand:** AC Infinity
- **Color:** Speed Controller
- **Electric fan design:** Exhaust Fan
- **Power Source:** Corded Electric
- **Style:** Modern
- **Product Dimensions:** 6.9"D x 7.4"W x 11.9"H
- **Room Type:** Bathroom, Kitchen
- **Special Feature:** Bladeless
- **Recommended Uses For Product:** Cooling, Exhausting
- **Mounting Type:** Wall Mount

## Images

![AC Infinity CLOUDLINE A4, Quiet 4” Inline Duct Fan with Speed Controller, EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics - Image 1](https://m.media-amazon.com/images/I/51O8XVVM5tL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- AC Infinity CLOUDLINE A4, 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, 8-Feet Long for Heating Cooling Ventilation and Exhaust
- AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

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**Shop now:** [https://www.desertcart.it/products/364604520-ac-infinity-cloudline-a4-quiet-4-inline-duct-fan-speed](https://www.desertcart.it/products/364604520-ac-infinity-cloudline-a4-quiet-4-inline-duct-fan-speed)

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-03-06*