---
product_id: 508433938
title: "Air Filtration Kit 4 Inch, Inline Duct Fan with RJ12 Speed Humidity Controller, Carbon Filter Combo, 25 Ft Ducting, Ventilation System Kit for Grow Tents, Hydroponics, Indoor Gardening"
brand: "spider farmer"
price: "€ 550.70"
currency: EUR
in_stock: true
reviews_count: 13
category: "Spider Farmer"
url: https://www.desertcart.fi/products/508433938-air-filtration-kit-4-inch-inline-duct-fan-with-rj12
store_origin: FI
region: Finland
---

# 27W EC motor - energy efficient 205 CFM airflow - powerful ventilation RJ12 controller - smart remote automation Air Filtration Kit 4 Inch, Inline Duct Fan with RJ12 Speed Humidity Controller, Carbon Filter Combo, 25 Ft Ducting, Ventilation System Kit for Grow Tents, Hydroponics, Indoor Gardening

**Brand:** spider farmer
**Price:** € 550.70
**Availability:** ✅ In Stock

## Summary

> 🌿 Breathe smarter, grow stronger — the ultimate air filtration upgrade for your indoor oasis!

## Quick Answers

- **What is this?** Air Filtration Kit 4 Inch, Inline Duct Fan with RJ12 Speed Humidity Controller, Carbon Filter Combo, 25 Ft Ducting, Ventilation System Kit for Grow Tents, Hydroponics, Indoor Gardening by spider farmer
- **How much does it cost?** € 550.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/508433938-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:** Heavy-duty stainless steel flanges and corrosion-proof clamps ensure durability and longevity.
- • **Odor Obliterator:** Thick 38mm RC412 activated carbon filter traps odors and impurities for pristine air quality.
- • **Whisper-Quiet Power:** EC motor delivers robust 205 CFM airflow at just 26.8 dB—efficient ventilation without the noise.
- • **Smart Climate Command:** RJ12 interface syncs with Spider Farmer App for seamless remote control and automation.
- • **Plug & Play Ventilation:** Complete kit with 25 ft reinforced ducting and speed controller for effortless setup and optimal airflow.

## Overview

The Spider Farmer Air Filtration Kit combines a 4-inch inline duct fan with a powerful 27W EC motor delivering 205 CFM airflow at ultra-low noise levels (26.8 dB). Featuring an advanced RJ12 speed and humidity controller compatible with the Spider Farmer App, it enables intelligent remote automation. The heavy-duty carbon filter with a 38mm activated carbon layer ensures superior odor control, while the 25 ft double-layer aluminum ducting with stainless steel clamps guarantees durability. Designed for grow tents, hydroponics, and indoor gardening, this all-in-one ventilation system offers easy installation and reliable performance.

## Description

Spider Farmer Air Filtration Kit 4 Inch, Inline Duct Fan with RJ12 Speed Humidity Controller, Carbon Filter Combo, 25 Ft Ducting, Ventilation System Kit for Grow Tents, Hydroponics, Indoor Gardening : desertcart.co.uk: Garden

Review: Excellent - Arrived quick.. great build quality.. everything you need is in the boxes. Easy to setup. The digital controller is awesome and worth the extra you pay. It is noisier than expected even on level 2 when connected to the filter. Alone the fan is silent. Great functions with the auto on of according to heat and humidity settings. You can be very meticulous.
Review: Great product would recommend - What can I say apart from its done everything it's meant to, its not over noisy like others, I got it on a sale so I found it real value for money. good all round quality.

## Features

- 𝐔𝐩𝐠𝐫𝐚𝐝𝐞 𝐑𝐉𝟏𝟐 𝐈𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞: Compatible with GGS Controller and Power Strip. Enable intelligent remote control and automation via the Spider Farmer App
- 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
- 𝟐𝟓𝐅𝐭 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 |
| Best Sellers Rank | 25,789 in Garden ( See Top 100 in Garden ) 21 in Hydroponic Ventilation Equipment |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,079) |
| Date First Available | 9 Oct. 2020 |
| Item model number | Spider Farmer 4CFM-200 |
| Manufacturer | hydroponic-ventilation-equipment |
| Material type | Plastic |
| Power source type | Corded Electric |
| Product Dimensions | 44.4 x 32.9 x 38 cm; 6 kg |

## Product Details

- **Brand:** SPIDER FARMER
- **Colour:** Black
- **Electric fan design:** Exhaust Fan
- **Material:** Plastic
- **Mounting type:** Inline Mount
- **Noise level:** 35 Decibels
- **Power source:** Corded Electric
- **Special feature:** App Operable
- **Style:** IndustriĆ«el
- **Wattage:** 59 watts

## Images

![Air Filtration Kit 4 Inch, Inline Duct Fan with RJ12 Speed Humidity Controller, Carbon Filter Combo, 25 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

### ⭐⭐⭐⭐⭐ Excellent
*by L***E on 19 January 2025*

Arrived quick.. great build quality.. everything you need is in the boxes. Easy to setup. The digital controller is awesome and worth the extra you pay. It is noisier than expected even on level 2 when connected to the filter. Alone the fan is silent. Great functions with the auto on of according to heat and humidity settings. You can be very meticulous.

### ⭐⭐⭐⭐⭐ Great product would recommend
*by D***N on 1 January 2026*

What can I say apart from its done everything it's meant to, its not over noisy like others, I got it on a sale so I found it real value for money. good all round quality.

### ⭐⭐⭐⭐⭐ Air extraction and filter
*by D***N on 15 July 2025*

Good setup and value for money

## 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.fi/products/508433938-air-filtration-kit-4-inch-inline-duct-fan-with-rj12](https://www.desertcart.fi/products/508433938-air-filtration-kit-4-inch-inline-duct-fan-with-rj12)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-17*