Ventilation System

Inline fan kits are essential in hydroponic indoor grow setups because they help maintain the optimal environment for plant growth by managing air quality, temperature, and humidity.

Spider Farmer inline fan kits combine the inline fan, carbon filter, and ducting fan. They are designed for hydroponic grow rooms, transfer heating/cooling, and exhaust odors.

Design with an RJ12 port for smart connection to the GGS controller or power strips, enabling intelligent control via the mobile app.

Previous slide
Next slide

New 2-In-1 Inline Fan + Carbon Filter

New Arrival I Spider Farmer 2-in-1 Ventilation System Inline Fan with Built-In Carbon Filter 6 Inch for Grow Tents Odor Control Clean Airflow, GGS Controller Compatible

Original price was: $175.99.Current price is: $169.99.
Note: This product is currently available only in the United States, Canada and Europe. Fan + Filter One Unit Integrated inline fan and carbon filter design — no more complicated duct connections. Plug-and-play setup, easy installation. Optimized Airflow Efficiency
Streamlined one-piece structure reduces air resistance and improves airflow compared to separate systems. Space-Saving Compact Design
Takes up less room in your grow tent, ideal for small to medium setups. Cleaner Setup
Fewer ducts, fewer parts, and a cleaner, more organized layout.

User Manual

 

Speed Controller with RJ12 Port

Spider Farmer 6″ Inline Ducting Fan with Speed Controller & Carbon Filter Ventilation System for Grow Tents, GGS Controller Controllable

Original price was: $189.99.Current price is: $179.99.
  • Four operating modes can be selected
  • Set start & stop times
  • Set running & standby speeds
  • CO2 device On/Off control
Package Includes:  1×6″ Inline fan, 1×6″ Carbon filter, 1xSpeed Controller, 1xDucting, 4xSteel hangers, 2xDuct filter vent covers, 3xSteel clamps (GGS Controller Not Include) Note: Due to packaging updates, the accessories listed on the product page shall prevail, and the online user manual reflects the latest version.  

Spider Farmer® 4” Inline duct Fan Kits 205 CFM with Speed Controller, Carbon Filter Grow Tent Ventilation System, GGS Controller Controllable

Original price was: $149.99.Current price is: $135.99.
  • Four operating modes can be selected
  • Set start & stop times
  • Set running & standby speeds
  • CO2 device On/Off control
The Spider Farmer Cooling & Ventilation System includes inline fan, carbon filters, ducting, speed controller, effectively remove unwanted odors, ideal for use in grow tents or enclosed grow areas. providing a more comfortable environment for plant growth. Package Includes:  1×4″ Inline fan, 1×4″ Carbon filter, 1xSpeed Controller, 1xDucting, 4xSteel hangers, 2xDuct filter vent covers, 3xSteel clamps(GGS Controller Not Include)  

Spider Farmer® 4″ Inch Inline Fan 205 CFM with Speed Controller RJ12 Port, Grow Tent Ventilation, GGS Controller Compatible

Original price was: $89.99.Current price is: $79.99.
An inline fan improves airflow, regulates temperature and humidity, and helps plants grow stronger. It removes hot, stale air from your grow space and brings in fresh air—creating a healthy environment for your plants to thrive. Perfect for Grow tents, hydroponic rooms, and other indoor growing setups that require quiet, reliable airflow with smart control options Package Includes:  1×4″ Inline fan, 1xSpeed Controller (GGS Controller Not Include)

Spider Farmer® 6″ Inline Fan 402CFM with Speed Controller RJ12 Port, GGS Controller Compatible

Original price was: $109.99.Current price is: $99.99.
An inline fan improves airflow, regulates temperature and humidity, and helps plants grow stronger. It removes hot, stale air from your grow space and brings in fresh air—creating a healthy environment for your plants to thrive. Perfect for Grow tents, hydroponic rooms, and other indoor growing setups that require quiet, reliable airflow with smart control options. Package Includes:  1×6″ inline Fan, 1xSpeed Controller. (GGS Controller Not Include)      

GGS Controller

Spider Farmer® 4″ Inline Fan 205 CFM with GGS Controller Ventilation System for Indoor Grow

Original price was: $109.99.Current price is: $95.99.
  • Four operating modes can be selected
  • Set start & stop times
  • Set running & standby speeds
  • CO2 device On/Off control
Ventilation system for hydriponic grow tents, transfer heating/cooling, and exhaust odors. Package incluses: 1×4″ inline fan; 1xGGS controller (Do not include a power cord, directly connect to the inline fan);  1x temperature and humidity sensor, 1×light adapter,  1x RJ12 telephone line splitters

Spider Farmer®6″ Inline Fan with GGS Controller 402 CFM Ventilation System for Grow Tents

Original price was: $135.99.Current price is: $121.99.
  • Four operating modes can be selected
  • Set start & stop times
  • Set running & standby speeds
  • CO2 device On/Off control
Ventilation system for hydriponic grow tents, transfer heating/cooling, and exhaust odors. Kit Duct Size: 6” | Airflow: 402CFM | Noise 32 dBA Package Includes: 1x6" inline fan; 1xGGS controller (Do not include a power cord, directly connect to the inline fan);  1x temperature and humidity sensor, 1×light adapter, 5x RJ12 cables, 1x RJ12 telephone line splitters

Spider Farmer®100mm 4″ Inline Fan for Indoor Grow 205CFM with GGS Controller, Carbon Filter & Ducting Combo

Original price was: $169.99.Current price is: $152.99.
  • Four operating modes can be selected
  • Set start & stop times
  • Set running & standby speeds
  • CO2 device On/Off control
Upgrade your indoor grow setup with our high-performance inline fan, designed for optimal air circulation and temperature control. This energy-efficient ensures proper ventilation, removing excess heat and humidity to create the ideal environment for plant growth. Featuring high CFM airflow, durable construction, and easy installation, it’s perfect for grow tents, hydroponic systems, and greenhouses. Keep your plants thriving with powerful yet quiet ventilation. Package includes: 1pc 4-Inch inline fan, 1pc 4-inch carbon filter, 1xGGS controller kits (Do not include power supply,directly connect to the inline fan), 1xpre-filter, 1xducting, 2xduct filter vent cover, 4x steel hangers, 3xclamps,  1x temperature and humidity sensor, 1× adapter, 5x RJ12 cables, 1x RJ12 telephone line splitters

Spider Farmer®6” Inline Fan Kits 402CFM with GGS Controller Carbon Filter & Ducting Combo Grow Tent Ventilation System

Original price was: $209.99.Current price is: $188.99.
  • Four operating modes can be selected
  • Set start & stop times
  • Set running & standby speeds
  • CO2 device On/Off control
The Spider Farmer Inline fan & carbon filters effectively remove unwanted odors, ideal for use in grow tents or enclosed grow areas. The Carbon Filters purify and filter out molds, spores, dust, pollen, odors, and other harmful particles. The temperature and humidity controller automates airflow, maintaining optimal growing conditions for better yields and healthier plants. It’s perfect for grow tents, hydroponic systems, and greenhouses. Package includes: 1pc 6-Inch inline fan, 1pc 6-inch carbon filter, 1xGGS controller (Do not include power supply, directly connect to the inline fan), 1xpre-filter, 1xducting, 2xduct filter vent cover, 4xsteel hangers, 3xclamps,  1x temperature and humidity sensor, 1×light adapter, 5x RJ12 cables, 1x RJ12 telephone line splitters

Bundle Deals Are Here

Spider Farmer 4 Inch/6 Inch Air Carbon Filter Odor Control for Inline Ducting Fan

$45.99$55.99
Note: The 4 Inch Carbonfilter is a pre-order now, ETA is February 20-25 Package Included: 1 xCarbon Filter, 1xPre-Filter .

Spider Farmer 4 Inch Inline Ducting Fan 205CFM + 4 Inch Carbon Filter With GGS Controller Kits

Original price was: $159.98.Current price is: $135.99.
Package Includes: 1x4''Carbon Filter; 1x4'' Inline Fan with GGS Controller (GGS Controller not include a power cord, directly connect to the inline fan)

Spider Farmer 6 Inch Inline Duct Fan 402CFM with GGS Controller + 6 Inch Air Carbon Filter

Original price was: $199.98.Current price is: $171.99.
Air Circulation & Ventilation Inline Fan: Provides effective air circulation, helping to regulate temperature and humidity levels. It prevents hot

Bundle Sale I Spider Farmer 6 Inline Fan 402CFM with Speed Controller (with RJ12 Port) + 6 Inch Carbon Filter Ventilation System

Original price was: $159.98.Current price is: $150.99.
Package Includes: 1×6” Inline Fan with Speed Controller (New Version with RJ12 Port), 1×6”Carbon Filter

Bundle Sale I Spider Farmer 6″ Inline Fan kits with Speed Controller, Carbon Filter + GGS AC5 Power Strip Kits

Original price was: $295.98.Current price is: $222.99.
Package Includes: 1x6" Inline fan with Speed Controller; 1x6" Carbon filter; 1xDucting; 2xVent Covers, 3xClamps,4xSteel Hangers, 1xAC5 Power Strip Kits
Humidity-&-Temperature-of-Indoor-Grow

The Perfect Combo of Inline Fan + Heat Mat

Inline Fan

1, Prevent excess humidity, heat, mold, and stagnant air for a healthier grow environment.

2, Automatically adjusts airflow based on your set temperature and humidity.

Heat Mat

1, Consistent Warmth: Maintains 20–30℃ at the root zone for faster, stronger germination.

2, Autumn-Friendly: Perfect for vegetables, herbs, and flowers sown in cooler months.

Spider Farmer®10”X20.75” Seedling Heat Mat for Consistent Warmth and Faster Germination Indoor Gardening, Greenhouse

Original price was: $35.99.Current price is: $29.99.

The warm environment provided by a plant heating mat can accelerate the process of seed germination, allowing seeds to develop into healthy seedlings more quickly.

Choose One Suit Your Needs

Quick Hook Installation-Inline Fan
4-inline fan-Speed Controller-RJ12-new
4-inline fan-GGS controller-new
4-inline fan-Speed Controller-RJ12-SET
4 inch inline fan kits GGS controller-2509
The Best Ventilation Setup for a Grow Tent - Spider Farmer 2-in-1 Ventilation System

Duct Size

4''/6'' 

4''/6'' 

4''/6'' 

4''/6'' 

6'' 

Power Usage

27W / 62W

27W / 62W

27W / 62W

27W / 62W

62W

Fan Airflow

205 CFM / 402 CFM

205 CFM / 402 CFM

205 CFM / 402 CFM

205 CFM / 402 CFM

345 CFM

Noise Level

26.8 dBA / 32 dBA

26.8 dBA / 32 dBA

26.8 dBA / 32 dBA

26.8 dBA / 32 dBA

60 dBA

Fan Speed

3000 RPM

3000 RPM

3000 RPM

3000 RPM

4000 RPM

Power Cord Length

8.2 FT

8.2 FT

8.2 FT

8.2 FT

8.2 FT

Suggest Coverage

4-Inch suggest for 2'x2'(70x70cm), 3'x3'(90x90xm), 2'x4'(70x140)

6-Inch suggest for 4'x4'(120x120cm), 5'x5'(150x150cm),  and bigger

Controller

Fan Speed Controller

GGS Controller

Fan Speed Controller

GGS Controller

Speed Controller

EC Motor with PWN-control

Fan Speed (25%-100%)

4" Inline Fan with Carbon Filter

6" Inline Fan with Carbon Filter

2-In-1 Ventilation System(6")

Power Usage(W)

3.5W-27.3W

4.4W-62.8W

4.4W-62.7W

Fan+Carbon Filter Airflow(CFM)

19.6CFM-102CFM

19.2CFM-150.5CFM

25.4CFM-157CFM

Noise (dB)

24.6 dBA-26.8 dBA

27.2 dBA-32.8 dBA

31.7 dBA-60.2 dBA

Recommend For

Ideal for beginners or quiet home environments

Full growth cycle ventilation & Odor control required

Higher airflow demand & Long-term or expandable systems

Small tents, cabinets, or seedling setups)

Standard indoor grow tents

Larger tents or multiple plants

Low noise, low power consumption, stable airflow

Balanced airflow, carbon filter compatibility, energy efficiency

Less airflow loss , stronger pressure, cleaner setup

Quick Recommendation

✔ Small tents & quiet priority → 4" Inline Fan with Carbon Filter
✔ Standard tents & odor control → 6" Inline Fan with Carbon Filter
✔ Advanced setups & clean install → 2-in-1 Ventilation System (6")

Choosing the right ventilation solution ensures healthy airflow, consistent growing conditions, and long-term reliability. If you’re unsure, start with a system that offers flexibility as your grow space evolves. Most growers run the fan at 40–70%, where airflow is strong while noise stays comfortable.

Know More About The Programmable Controller

Shopping cart
Sign in

No account yet?

0 items Cart