---
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: "$593.43"
currency: USD
in_stock: true
reviews_count: 13
category: "Spider Farmer"
url: https://www.desertcart.us/products/267668303-air-filtration-kit-4-inch-inline-duct-fan-with-rj12
store_origin: US
region: United States of America
---

# 27W energy-efficient EC motor 205 CFM airflow RJ12 smart speed & humidity control 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:** $593.43
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your indoor garden with smart airflow and stealthy odor control!

## 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?** $593.43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/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

- • **Odor Obliterator:** 38mm thick activated carbon filter with stainless steel flanges traps odors and extends filter life.
- • **Whisper-Quiet Power:** 27W EC motor delivers a robust 205 CFM airflow at just 26.8 dB—powerful yet discreet.
- • **Smart Climate Command:** RJ12 interface syncs with Spider Farmer App for seamless remote control and automation.
- • **Durable Ducting Design:** 13 ft double-layer aluminum/PVC duct reinforced with steel wire and corrosion-proof clamps for long-lasting airflow.
- • **All-in-One Ventilation Solution:** Complete kit with inline fan, carbon filter, and ducting—easy setup, no extra purchases needed.

## Overview

The Spider Farmer Air Filtration Kit combines a powerful 205 CFM inline fan with ultra-quiet 27W EC motor, a high-performance 38mm activated carbon filter, and a durable 13 ft double-layer duct. Featuring an RJ12 speed and humidity controller compatible with the Spider Farmer App, this all-in-one ventilation system ensures optimal air circulation, odor elimination, and smart automation for hydroponics and indoor gardening setups.

## Description

New - 2 in 1 Carbon Filter Fan New -Electric Grinding Machine Grow Tent Clip Fan 6” Visit the Store 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 | #51,796 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #21 in Hydroponic Ventilation Equipment |
| Brand Name | Spider Farmer |
| Control Method | Touch |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,121) |
| Item Weight | 6 Kilograms |
| Manufacturer | hydroponic-ventilation-equipment |
| Model Number | Spider Farmer 4CFM-200 |
| Noise Level | 35 Decibels |
| 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)
![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 2](https://m.media-amazon.com/images/I/71sUI2nzFPL.jpg)
![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 3](https://m.media-amazon.com/images/I/71TnF-mCu5L.jpg)
![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 4](https://m.media-amazon.com/images/I/71MMI7XvxGL.jpg)
![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 5](https://m.media-amazon.com/images/I/61SDSQzp2OL.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.

### ⭐⭐⭐⭐ Nice package time will tell
*by M***B on June 30, 2021*

I am happy so far but its been in service less that a week but working well. Moves a lot of air, seems quality built not too noisy. it comes with a bracket to screw it into something but no other hanging equipment. filter has no hangers included. Filter seems like it high quality I will update my review if this lasts

## 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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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-16*