---
product_id: 168557419
title: "AC Infinity CLOUDLINE H4, Quiet 4” Inline Duct Fan with Speed Controller, Humidity Proof IP65-Rated Ventilation Exhaust Fan in Grow Tents, Mushroom Fruiting Chambers for Propagation and Fungiculture"
brand: "ac infinity"
price: "1517 Lei"
currency: RON
in_stock: true
category: "Ac Infinity"
url: https://www.desertcart.ro/products/168557419-ac-infinity-cloudline-h4-quiet-4-inline-duct-fan-speed
store_origin: RO
region: Romania
---

# IP65 humidity & dust proof 212 CFM airflow 27 dBA ultra-quiet AC Infinity CLOUDLINE H4, Quiet 4” Inline Duct Fan with Speed Controller, Humidity Proof IP65-Rated Ventilation Exhaust Fan in Grow Tents, Mushroom Fruiting Chambers for Propagation and Fungiculture

**Brand:** ac infinity
**Price:** 1517 Lei
**Availability:** ✅ In Stock

## Summary

> 🌬️ Elevate your grow game with silent, smart airflow mastery!

## Quick Answers

- **What is this?** AC Infinity CLOUDLINE H4, Quiet 4” Inline Duct Fan with Speed Controller, Humidity Proof IP65-Rated Ventilation Exhaust Fan in Grow Tents, Mushroom Fruiting Chambers for Propagation and Fungiculture by ac infinity
- **How much does it cost?** 1517 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/168557419-ac-infinity-cloudline-h4-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

- • **Compact & Powerful:** 4-inch duct fan pumping 212 CFM in a sleek 6.9 x 11.9 x 7.4 inch frame
- • **Energy-Smart Operation:** Consumes just 18 watts while maintaining optimal grow tent conditions
- • **Whisper-Quiet Efficiency:** Brushless EC motor with PWM control delivers powerful yet silent ventilation
- • **Precision Climate Control:** 10-level speed controller for exact airflow and CO2 management
- • **Built for Humid Environments:** IP65-rated design resists moisture, dust, and debris for reliable performance

## Overview

The AC Infinity CLOUDLINE H4 is a premium 4-inch inline duct fan engineered for professional grow tents and mushroom cultivation. Featuring a brushless EC motor with PWM speed control, it delivers up to 212 CFM airflow at whisper-quiet 27 dBA noise levels. Its IP65-rated housing ensures durability in high-humidity environments, while the 10-level speed controller offers precise ventilation management to optimize indoor climate and CO2 levels. Compact, energy-efficient, and built to last, it’s the go-to ventilation solution for serious growers.

## Description

desertcart.com: AC Infinity CLOUDLINE H4, Quiet 4” Inline Duct Fan with Speed Controller, Humidity Proof IP65-Rated Ventilation Exhaust Fan in Grow Tents, Mushroom Fruiting Chambers for Propagation and Fungiculture : Patio, Lawn & Garden

## Features

- Specially designed for mushroom growing to quietly ventilate grow spaces and help control indoor climate levels.
- IP65-rated to ensure performance in high-humidity spaces while resisting dust, debris, and moisture.
- Includes a fan speed controller with precise 10-level control for exact airflow and CO2 buildup prevention.
- EC motor with PWM control enables quiet and energy-efficient performance for consistent fresh air exchange.
- Duct Size: 4" | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 212 CFM | Noise: 27 dBA | Bearings: Dual Ball

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DHYP3ZQY |
| Air Flow Capacity | 212 Cubic Feet Per Minute |
| Best Sellers Rank | #1,469 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Hydroponic Ventilation Equipment |
| Brand Name | AC Infinity |
| Collection Name | Specialty Fans |
| Color | IP65 Speed Controller for H4 |
| Control Method | Touch |
| Customer Reviews | 4.5 4.5 out of 5 stars (65) |
| Electric Fan Design | Blower |
| Finish Type | Powder Coated |
| Included Components | Cord |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Permanent Installation |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 6.9"D x 11.9"W x 7.4"H |
| Item Weight | 2.09 Kilograms |
| Manufacturer | AC Infinity |
| Material | Plastic |
| Model Name | CLOUDLINE H4 |
| Model Number | AI-CLH4 |
| Motor Type | Brushless |
| Mounting Type | Downrod Mount |
| Noise Level | 27 Decibels |
| Number of Power Levels | 10 |
| Number of Speeds | 10 |
| Power Source | AC |
| Recommended Uses For Product | Inline Duct Fan |
| Room Type | Indoor |
| Size | 4-Inch |
| Special Features | Programmable |
| Speed | 3000 RPM |
| Style | Cloudline H4 |
| UPC | 819137024595 |
| Unit Count | 1.0 Count |
| Voltage | 100 Volts |
| Wattage | 18 watts |

## Product Details

- **Brand:** AC Infinity
- **Color:** IP65 Speed Controller for H4
- **Electric fan design:** Blower
- **Mounting Type:** Downrod Mount
- **Power Source:** AC
- **Product Dimensions:** 6.9"D x 11.9"W x 7.4"H
- **Recommended Uses For Product:** Inline Duct Fan
- **Room Type:** Indoor
- **Special Feature:** Programmable
- **Style:** Cloudline H4

## Images

![AC Infinity CLOUDLINE H4, Quiet 4” Inline Duct Fan with Speed Controller, Humidity Proof IP65-Rated Ventilation Exhaust Fan in Grow Tents, Mushroom Fruiting Chambers for Propagation and Fungiculture - Image 1](https://m.media-amazon.com/images/I/61JYcgjW+-L.jpg)
![AC Infinity CLOUDLINE H4, Quiet 4” Inline Duct Fan with Speed Controller, Humidity Proof IP65-Rated Ventilation Exhaust Fan in Grow Tents, Mushroom Fruiting Chambers for Propagation and Fungiculture - Image 2](https://m.media-amazon.com/images/I/71mJa+t2XML.jpg)
![AC Infinity CLOUDLINE H4, Quiet 4” Inline Duct Fan with Speed Controller, Humidity Proof IP65-Rated Ventilation Exhaust Fan in Grow Tents, Mushroom Fruiting Chambers for Propagation and Fungiculture - Image 3](https://m.media-amazon.com/images/I/61AzR5wi7RL.jpg)
![AC Infinity CLOUDLINE H4, Quiet 4” Inline Duct Fan with Speed Controller, Humidity Proof IP65-Rated Ventilation Exhaust Fan in Grow Tents, Mushroom Fruiting Chambers for Propagation and Fungiculture - Image 4](https://m.media-amazon.com/images/I/61HHA3hpY2L.jpg)
![AC Infinity CLOUDLINE H4, Quiet 4” Inline Duct Fan with Speed Controller, Humidity Proof IP65-Rated Ventilation Exhaust Fan in Grow Tents, Mushroom Fruiting Chambers for Propagation and Fungiculture - Image 5](https://m.media-amazon.com/images/I/71CDBlYtPJL.jpg)

## Available Options

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

## Questions & Answers

**Q: Does this work on 240V?**
A: 110

**Q: How big of a room is this rated for to accurately control temperature?**
A: I have a 12Lx 10w x 8 high
with 20 plants how big of a fan do I meed to bring in fresh air and exaust please let me no.

**Q: Is there a way to prevent Backdraft?**
A: Inline baffle.

**Q: El cloudline t10,se puede usar en el atico para ventilacion ?teniendo en cuenta que solamente la casa tiene agujeros de ventilacion en el techo**
A: Si - nosotros lo utilizamos como booster para el HVAC de la casa, enlomar to uña rala segunda planta.

## Frequently Bought Together

- AC Infinity CLOUDLINE PRO T10, Quiet 10” Inline Duct Fan with Temperature Humidity VPD Controller, WiFi Integrated App Control - Ventilation Exhaust Fan for Heating Cooling, Grow Tents, Hydroponics
- AC Infinity Flexible 10-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilation and Exhaust
- AC Infinity Flexible 10-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-07-18*