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    Complete Grow Tent Kits

    From robust grow lights to essential gardening tools, every item in the kit ensures a seamless and efficient growing experience. All you need to begin is your plants, some soil, and water.

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4 inch inline fan-RJ12
Size of 4 inch inline fan-RJ12
Speed Controller of inline fan
Inline Fan Speed Controller-RJ12
Noise Level of 4 inch inline fan-RJ12
Energy Saving Inline Fan
Click to enlarge
4 inch inline fan-RJ12
Size of 4 inch inline fan-RJ12
Speed Controller of inline fan
Inline Fan Speed Controller-RJ12
Noise Level of 4 inch inline fan-RJ12
Energy Saving Inline Fan
Home Grow Kits Ventilation System 2025 New Spider Farmer® 4-Inch 205 CFM Inline Fan with Speed Controller RJ12 Port Grow Tent Ventilation, GGS Controller Compatible
Spider Farmer 6-inch inline fan kits with speed controller for precise indoor ventilation
Flash Sale I Spider Farmer 6" Inline Ducting Fan with Speed Controller & Carbon Filter Ventilation System for Grow Tents $185.99 Original price was: $185.99.$159.99Current price is: $159.99.
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6 inch inline fan-RJ12
2025 New Spider Farmer® 6-Inch Inline Fan 402CFM with Speed Controller RJ12 Port, GGS Controller Compatible $99.99 Original price was: $99.99.$89.99Current price is: $89.99.

2025 New Spider Farmer® 4-Inch 205 CFM Inline Fan with Speed Controller RJ12 Port Grow Tent Ventilation, GGS Controller Compatible

Rated 5.00 out of 5 based on 1 customer rating
(1 customer review)

$83.99 Original price was: $83.99.$70.99Current price is: $70.99.

Package Includes:  1×4″ Inline fan, 1xSpeed Controller (GGS Controller Not Include)

The 2025 version features a design with an RJ12 port, allowing work with GGS controllers and power strip kits. Adjustments can be made through the Spider Farmer app.

User Manual

Fast Shipping

Same day delivery, 3-8 business days for the product to reach you.

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Up to 5 years warranty. Best customer service.

The Cyber Monday sale will end on December 8nd.

Tent+Inline Fan+Light

Tent Inline Fan Light Mode Recommended Plants
2'X2' 4'' SF1000D/SF1000 2
3'X3' 4'' G3000/SE3000/SF2000Pro 4
2'X4' 4'' G4500/SE4500/SF2000 2-4
2.3'X4.6' 4'' G4500/SE4500/SF2000 2-4
2.3'X2.3' 4'' SF1000D/SF1000 2
4'X4' 6'' G5000/SE5000/SF4000 4-6
5'X5' 6'' SE7000/G8600/G1000W/SF7000/SE1000W 6-9
Size Guide
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Frequently Bought Together

4 inch inline fan-RJ12 + Detailed specifications of a 4-inch carbon filter, highlighting dimensions, material quality, and filtration capacity for indoor gardening + + LED Light Controller
Price for all: $270.96 Original price was: $270.96.$257.41Current price is: $257.41. Save $13.55
  • Description
  • Reviews (1)
  • Q & A (1)
  • WHY CHOOSE US
  • SPEC
  • USER MANUAL
Description

【QUIET & POWERFUL】Mixed flow design combined with a EC motor that powers high-quality impellers makes this fan truly energy efficient than a traditional line fan. With only 27 watts of power but gives a strong airflow up to 205 CFM, very low noise level, only produces 26.8 DB, this 4” exhaust fan is silent. Lightweight ABS blades reduce the airflow resistance, add airflow by 40%.

【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. The exhaust fan is ETL/FCC listed.

【ADJUSTABLE SPEED】The fan speed controller allows you to set your fan speed freely and it is essential for optimal growth of your plant.

【WIDE APPLICATIONSL】 Designed for air circulation boosting of cooling and heating systems and air-circulation in The 4 Inch Inline duct fan is a great option for grow tents, closet, storage rooms, kitchens, bathrooms, basements and more.

4 inch ventilation system Specification of 4 inch inline fan-RJ12 Spider Farmer 4 Inch Ventilation System Speed Controller of inline fan-RJ12 Installation-4 Inch

Reviews (1)

1 review for 2025 New Spider Farmer® 4-Inch 205 CFM Inline Fan with Speed Controller RJ12 Port Grow Tent Ventilation, GGS Controller Compatible

5.0 Rating
1-1 of 1 review
  1. grassynoll
    Reviewer
    November 4, 2021
    Rated 5 out of 5

    Spider farmer keeps amazing me with their high quality products.every product you can expect to be built to the best standards.this fan is perfect for my grow its very quiet and easy to install and it holds up to my abuse very well.once again spider farmer knocks it out of the park with an amazing product.

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Q & A (1)

Q & A

I have a smart controller but wish to add a second fan, should I choose "Spider Farmer® 4-Inch 205 CFM Inline Fan with Speed Controller" Nicolas Guérin asked on October 13, 2023

hello, the smart controller can't not control this fan,if you wish to add a smart fan, please buy this one. https://www.spider-farmer.com/products/spider-farmer-4-inch-quiet-inline-duct-fan-with-temperature-humidity-controller/ :)

Spider Farmer LED answered on October 13, 2023 store manager
(0) (0)

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WHY CHOOSE US

1. Customer Satisfaction and Quality Products
Spider Farmer is a reputable brand in indoor and hydroponic gardening. Its products are widely used by farmers, hobbyists, and professionals. The company's mission is to help people grow healthy and vibrant plants in any environment. Spider Farmer continuously works to enhance and expand its product range to meet the evolving needs of its customers.

2. Best Prices Guarantee
Spider Farmer is committed to providing the best prices online for all our products. When you shop with us, rest assured that you are receiving the best online prices.

3.Enjoy Free and Discreet Shipping Across the USA
Our company is pleased to provide complimentary shipping to nearly every state in the USA, utilizing trusted couriers such as FedEx, UPS, USPS, and other reliable shipping providers. We understand the importance of privacy and will ensure that your package arrives discreetly.

4. Commitment to Customer Care
At Spider Farmer, we take responsibility for ensuring that our customers are always satisfied with their purchase. If anything is wrong, we guarantee to make it right, and you can reach us via call, email or message, and we will respond in about 1 business day or less.

5.Hassle-Free Returns and Refunds
In case your purchase does not meet your standards, we offer a hassle-free 30-day refund and return policy. Refer to our full return policy for details.

6.Dependable Global Shipping
We offer international shipping for all our products via FedEx, UPS, USPS, DHL, and other reputable couriers. To obtain a shipping quote, please proceed to the checkout process or get in touch with our customer service team for further assistance.

7. Buy Now, Pay Later with PayPal

Time and flexibility are on your side. Get what you want and break the payments up over weeks or even months.

8. Secure Payment Methods

We accept major credit and debit cards, PayPal, and bank transfers, and all card payments are processed through our encrypted SSL security processing system, ensuring that your identity is always protected.

Spider Farmer is dedicated to providing high-quality products and exceptional customer service to ensure a happy growing experience for all our customers.

SPEC

Spider Farmer 4-Inch Inline Fan Specification
Product Identification
Brand Spider Farmer
Product Model 4-inch Inline Fan with Speed Controller RJ12 Port
Product Series Inline Fan(Speed Controller RJ12 Port)
Product Dimensions
Inline Fan Size 30.3×20.2×19 cm / 11.99×8×7.5 inch
Fan Duct Size 10.1 cm / 4 inch
Power Cord Length 1.5 m / 4.9 ft.
Fan to Controller 2.5 m / 8.2 ft.
Recommended Tent 60×60cm, 90×90cm, 60×120cm, 70×140cm, 70×70cm
Recommended LED Light SF1000D/SF1000/G3000/SE3000/SF2000Pro/G4500/SE4500/SF2000
Product Performance Specifications
Airflow 205CFM
Noise 26.8dB(A)
Voltage AC110-240V
Power 27W±5%
Fan Speed 3000RPM
Controller Type Speed Controller
Product Guide
Users Manual PDF
Warranty Check
Product Package
Package Included 1×4-inch Inline Fan
1×Speed Controller
Tips: GGS Controller Not Include
USER MANUAL

SF Inline Fan Users Manual

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