---
product_id: 267668303
title: "Air Filtration Kit 4 Inch, Inline Duct Fan with RJ12 Speed Humidity Controller, Carbon Filter Combo, 13 Ft Ducting, Ventilation System Kit for Grow Tents, Hydroponics, Indoor Gardening"
brand: "spider farmer"
price: "€ 353.79"
currency: EUR
in_stock: true
reviews_count: 13
category: "Spider Farmer"
url: https://www.desertcart.hr/products/267668303-air-filtration-kit-4-inch-inline-duct-fan-with-rj12
store_origin: HR
region: Croatia
---

# 27W energy-efficient EC motor 205 CFM airflow 26.8 dB whisper-quiet Air Filtration Kit 4 Inch, Inline Duct Fan with RJ12 Speed Humidity Controller, Carbon Filter Combo, 13 Ft Ducting, Ventilation System Kit for Grow Tents, Hydroponics, Indoor Gardening

**Brand:** spider farmer
**Price:** € 353.79
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your grow game with whisper-quiet, powerhouse airflow!

## Quick Answers

- **What is this?** Air Filtration Kit 4 Inch, Inline Duct Fan with RJ12 Speed Humidity Controller, Carbon Filter Combo, 13 Ft Ducting, Ventilation System Kit for Grow Tents, Hydroponics, Indoor Gardening by spider farmer
- **How much does it cost?** € 353.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/267668303-air-filtration-kit-4-inch-inline-duct-fan-with-rj12)

## 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

- • **Built to Last:** 13 ft reinforced double-layer ducting with corrosion-proof clamps for rugged reliability
- • **Odor-Free Zone:** Thick 38mm activated carbon filter traps odors with heavy-duty durability
- • **Powerful Yet Silent:** Brushless EC motor delivers 205 CFM airflow at a whisper-quiet 26.8 dB
- • **All-in-One Convenience:** Complete ventilation kit saves time & money—no need to hunt for parts
- • **Effortless Climate Control:** RJ12 speed & humidity controller for precise environment tuning

## Overview

The Spider Farmer Air Filtration Kit combines a 4-inch inline duct fan with a 205 CFM brushless EC motor, an advanced RJ12 speed and humidity controller, and a heavy-duty 38mm activated carbon filter. Designed for hydroponics and indoor gardening, it features a 13-foot reinforced ducting system and corrosion-resistant clamps, delivering efficient, quiet, and odor-free ventilation in a single, easy-to-install kit.

## Description

New - 2 in 1 Carbon Filter Fan New -Electric Grinding Machine New Grow Tent Clip Fan 6” Visit the Store New Grow Tent Clip Fan 6” Visit the Store Spider Farmer New Humidifier DWC Hydroponics Grow System Visit the Store DWC Hydroponics Grow System Inline Duct Fan Visit the Store Inline Duct Fan Air Filtration Kit Visit the Store Air Filtration Kit Air Carbon Filter Visit the Store Air Carbon Filter New LED Grow Light Strips Visit the Store New LED Grow Light Strips GGS Smart System Series Spider Farmer More Products Supplemental Light Series Humidifier Dehumidifier Combo Visit the Store Humidifier Dehumidifier Combo SPIDER FARMER GROW TENT KIT More Growing Series

Review: A Great Buy! - Product was just what I needed! Works great at cooling down my grow room. Would defiinitely recommend!
Review: Perfect - What a great purchase, such an easy, quick setup. Would totally recommend to anyone. Would definitely buy again.

## Features

- 𝐔𝐩𝐠𝐫𝐚𝐝𝐞 𝐑𝐉𝟏𝟐 𝐈𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞: Compatible with GGS Controller and Power Strip
- 𝐏𝐨𝐰𝐞𝐫𝐟𝐮𝐥 𝐈𝐧𝐥𝐢𝐧𝐞 𝐅𝐚𝐧: EC motor ensures energy efficiency, 27 watts, 205 CFM airflow, 26.8 dB noise. Lightweight ABS blades increase airflow by 40%. Speed controller with 8.2 ft wire for easy control. ETL/FCC listed, safe to use
- 𝐇𝐢𝐠𝐡 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐂𝐚𝐫𝐛𝐨𝐧 𝐅𝐢𝐥𝐭𝐞𝐫: Heavy-duty construction with stainless steel flanges ensures durability. RC412 activated carbon for superme odor control. 38 mm thick carbon layer enhances absorption. Pre-filter captures large particles and extends life
- 𝟏𝟑𝐅𝐭 𝐅𝐥𝐞𝐱𝐢𝐛𝐥𝐞 𝐃𝐮𝐜𝐭: Made of high-quality aluminum and PVC, double-layer design; steel wire reinforced for durability; Passed GB8624B1 test, safe to use. Stainless steel clamps are sturdy and corrosion proof
- 𝐂𝐨𝐦𝐩𝐥𝐞𝐭𝐞 𝐕𝐞𝐧𝐭𝐢𝐥𝐚𝐭𝐢𝐨𝐧 𝐒𝐲𝐬𝐭𝐞𝐦: Provides excellent air circulation and eliminates odors. Easy installation; versatile setup options. Save money with a inline fan & filter combo kit, no need to buy separate parts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08KWGDY44 |
| Air Flow Capacity | 205 Cubic Feet Per Minute |
| Best Sellers Rank | #58,485 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #24 in Hydroponic Ventilation Equipment |
| Brand | Spider Farmer |
| Brand Name | Spider Farmer |
| Control Method | Remote |
| Customer Reviews | 4.6 out of 5 stars 383 Reviews |
| Electric Fan Design | Exhaust Fan |
| Electric fan design | Exhaust Fan |
| Included Components | RJ12 Speed Humidity Controller, Carbon Filter Combo, 13 Ft Ducting, Ventilation System Kit |
| Indoor Outdoor Usage | Indoor |
| Installation Type | Permanent |
| Is Product Cordless | No |
| Item Weight | 6 Kilograms |
| Manufacturer | hydroponic-ventilation-equipment |
| Material | Metal, Plastic |
| Model Number | Spider Farmer 4CFM-200 |
| Motor Type | brushless |
| Noise Level | 35 Decibels |
| Number of Power Levels | 3 |
| Number of Speeds | 3 |
| Power Source | Corded Electric |
| Size | 4 Inch RJ12 Speed Controller |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | / |
| Special Features | / |
| Unit Count | 1.0 Count |
| Voltage | 240 Volts |
| Wattage | 59 watts |

## Product Details

- **Air Flow Capacity:** 205 Cubic Feet Per Minute
- **Brand:** Spider Farmer
- **Control Method:** Touch
- **Item Weight:** 6 Kilograms
- **Manufacturer:** hydroponic-ventilation-equipment
- **Noise Level:** 35 Decibels
- **Size:** 4 Inch RJ12 Speed Controller
- **Voltage:** 240 Volts
- **Wattage:** 59 watts

## Images

![Air Filtration Kit 4 Inch, Inline Duct Fan with RJ12 Speed Humidity Controller, Carbon Filter Combo, 13 Ft Ducting, Ventilation System Kit for Grow Tents, Hydroponics, Indoor Gardening - Image 1](https://m.media-amazon.com/images/I/71ZNeo9vBWL.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ A Great Buy!
*by C***S on October 9, 2025*

Product was just what I needed! Works great at cooling down my grow room. Would defiinitely recommend!

### ⭐⭐⭐⭐⭐ Perfect
*by J***Y on November 20, 2025*

What a great purchase, such an easy, quick setup. Would totally recommend to anyone. Would definitely buy again.

### ⭐⭐⭐⭐⭐ Spider Farms is the way to go!
*by E***Z on November 30, 2025*

Switched to spider farm products this year and was stoked on the quality. Adjustable speed and quiet even at the highest setting.

## Frequently Bought Together

- Spider Farmer 2025 Update 4 Inch Inline Fan and Carbon Filter Combo, Exhaust Fan with Speed Humidity Controller Hydroponics Grow Tent Ventilation Kit for Heating Cooling Grow Tents, Hydroponics
- Spider Farmer SF2000, Samsung LM301H EVO Led Grow Light, Full Spectrum Plant Grow Light, 200W Dimmable & High Efficiency & Deeper Penetration Lamps for Seed Starting Vegetables Bloom in 2x4 Grow Tent
- General Hydroponics pH Control Kit For A Balanced Nutrient Solution

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**Shop now:** [https://www.desertcart.hr/products/267668303-air-filtration-kit-4-inch-inline-duct-fan-with-rj12](https://www.desertcart.hr/products/267668303-air-filtration-kit-4-inch-inline-duct-fan-with-rj12)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-10*