---
product_id: 319562010
title: "4 Inch Inline Duct Fan, 205 CFM Quiet EC Motor | With RJ12 speed controller, booster exhaust fan for grow tents, hydroponics, and indoor gardening ventilation"
brand: "spider farmer"
price: "€ 273.08"
currency: EUR
in_stock: true
category: "Spider Farmer"
url: https://www.desertcart.sk/products/319562010-4-inch-inline-duct-fan-205-cfm-quiet-ec-motor
store_origin: SK
region: Slovakia
---

# 27W energy-efficient EC motor 205 CFM airflow 26.8 dB ultra-quiet 4 Inch Inline Duct Fan, 205 CFM Quiet EC Motor | With RJ12 speed controller, booster exhaust fan for grow tents, hydroponics, and indoor gardening ventilation

**Brand:** spider farmer
**Price:** € 273.08
**Availability:** ✅ In Stock

## Summary

> 💨 Elevate your airflow game with silent, smart power!

## Quick Answers

- **What is this?** 4 Inch Inline Duct Fan, 205 CFM Quiet EC Motor | With RJ12 speed controller, booster exhaust fan for grow tents, hydroponics, and indoor gardening ventilation by spider farmer
- **How much does it cost?** € 273.08 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/319562010-4-inch-inline-duct-fan-205-cfm-quiet-ec-motor)

## Best For

- spider farmer enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Setup:** Hangs easily on any solid bracket—no special tools needed, so you’re up and running in minutes.
- • **Whisper-Quiet Power:** Experience powerful airflow at just 26.8 dB—your secret to stealthy ventilation.
- • **Precision Speed Control:** RJ12 interface lets you dial in the perfect fan speed for optimal plant growth or air circulation.
- • **Durable & Dust-Resistant:** Premium ABS housing with IP42 rating ensures long-lasting performance even in tough environments.
- • **Boosted Airflow Efficiency:** Lightweight ABS blades increase airflow by 40%, maximizing ventilation without extra energy use.

## Overview

The Spider Farmer 4 Inch Inline Duct Fan delivers a robust 205 CFM airflow powered by an energy-efficient 27W brushless EC motor. Operating at a whisper-quiet 26.8 dB, it features a user-friendly RJ12 speed controller for precise airflow adjustments. Built with durable ABS plastic and IP42 dust/liquid resistance, this fan is designed for reliable, long-term use in grow tents, hydroponics, and indoor ventilation setups. Easy to install and optimized for maximum airflow efficiency, it’s the smart choice for professionals seeking quiet, powerful ventilation.

## Description

desertcart.com: Spider Farmer 4 Inch Inline Duct Fan, 205 CFM Quiet EC Motor | With RJ12 speed controller, booster exhaust fan for grow tents, hydroponics, and indoor gardening ventilation : Patio, Lawn & Garden

## Features

- 𝐔𝐩𝐠𝐫𝐚𝐝𝐞 𝐑𝐉𝟏𝟐 𝐈𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞: Compatible with GGS Controller and Power Strip
- 𝐐𝐮𝐢𝐞𝐭 𝐚𝐧𝐝 𝐏𝐨𝐰𝐞𝐫𝐟𝐮𝐥: EC motor ensures energy efficiency: 27 watts, 205 CFM airflow, 26.8 dB noise. Lightweight ABS blades increase airflow by 40%. ETL/FCC listed, safe to use
- 𝐁𝐮𝐢𝐥𝐭 𝐭𝐨 𝐋𝐚𝐬𝐭: Made of premium ABS plastic housing for superior durability, IP42 rated, making it highly resistant to dust and liquids, and performs well even in harsh environments
- 𝐀𝐝𝐣𝐮𝐬𝐭𝐚𝐛𝐥𝐞 𝐒𝐩𝐞𝐞𝐝: The fan speed controller allows you to set your Inline fan speed freely and it is essential for optimal growth of your plant
- 𝐄𝐚𝐬𝐲 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧: This exhaust fan is designed for quick and easy installation, just hang it on a solid bracket without special tools

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08S7C2HH4 |
| Air Flow Capacity | 205 cfm |
| Best Sellers Rank | #88,215 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #38 in Hydroponic Ventilation Equipment #74 in Greenhouse Ventilation Equipment |
| Blade Length | 4 inches |
| Blade Material | Plastic |
| Brand Name | Spider Farmer |
| Collection Name | Inline Duct Fans |
| Color | Black |
| Control Method | Touch |
| Controller Type | Button Control |
| Customer Reviews | 4.2 4.2 out of 5 stars (143) |
| Electric Fan Design | Exhaust Fan |
| Finish Type | Unfinished |
| Included Components | Speed Controller, Carbon Filter, Ducting Combo |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Hanging |
| Item Dimensions D x W x H | 12.8"D x 9.05"W x 10.43"H |
| Manufacture Year | 2025 |
| Manufacturer | Spider Farmer |
| Material | Plastic |
| Model Number | 100 mm/4 Inch mit Drehzahlregler |
| Motor Type | Brushless |
| Mounting Type | spider |
| Noise Level | 26.8 db |
| Number of Blades | 4 |
| Number of Packs | 1 |
| Number of Power Levels | 3 |
| Part Number | SF-4Inlinefan |
| Power Source | Electric |
| Recommended Uses For Product | Air Circulation, Cooling |
| Room Type | Bathroom, Bedroom, Grow Tent, Kitchen |
| Size | 4 Inch RJ12 Speed Controller |
| Special Features | Lightweight |
| Speed | 3000 rpm |
| Style | Modern |
| Unit Count | 1 Count |
| Voltage | 240 volts |
| Wattage | 27 watts |

## Product Details

- **Brand:** Spider Farmer
- **Color:** Black
- **Electric fan design:** Exhaust Fan
- **Mounting Type:** spider
- **Power Source:** Electric
- **Product Dimensions:** 12.8"D x 9.05"W x 10.43"H
- **Recommended Uses For Product:** Air Circulation, Cooling
- **Room Type:** Bathroom, Bedroom, Grow Tent, Kitchen
- **Special Feature:** Lightweight
- **Style:** Modern

## Images

![4 Inch Inline Duct Fan, 205 CFM Quiet EC Motor | With RJ12 speed controller, booster exhaust fan for grow tents, hydroponics, and indoor gardening ventilation - Image 1](https://m.media-amazon.com/images/I/61a+ugFJgFL.jpg)

## Available Options

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

## Questions & Answers

**Q: What are the upgrades in the new fan?**
A: Upgrade the RJ12 interface to improve the stability of the connection between the controller and the fan, avoiding the control interruption caused by the loosening of the traditional interface.

**Q: Can fans with a knob speed controllers be connected to the GGS Series?**
A: Yes. Fans with knob controller is compatible with GGS Controller and Power Strip. If you already have the GGS series, you can directly purchase this fan to use with it, without additional accessories, and easily realize the equipment linkage control.

## Frequently Bought Together

- Spider Farmer 4 Inch Inline Duct Fan with RJ12 Speed Controller, 205 CFM Quiet EC Motor, Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics, Indoor Gardening
- AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilation and Exhaust
- Spider Farmer 4 Inch Air Carbon Filrer Smelliness Control with Premium Australia Virgin Charcoal for Inline Duct Fan, Grow Tent Odor Control, Hydroponics, Pre-Filter Included, Reversible Flange

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sk/products/319562010-4-inch-inline-duct-fan-205-cfm-quiet-ec-motor](https://www.desertcart.sk/products/319562010-4-inch-inline-duct-fan-205-cfm-quiet-ec-motor)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-09-12*