WhisperVent - 4" Ventilation Inline Fan
SHIPPING INFORMATION
How do I track my order?
You will receive an order confirmation immediately after your purchase, then we will send you a tracking number for your order. You can also reach out to our customer support at support@jstonewell.com for any questions you may have.
How long does it take for the order to arrive?
Once shipped, your order should arrive within 3 to 8 days. We will send you an email confirmation as soon as your order ships to keep you updated. Feel free to email us to check on your order status at any time. We're happy to help
OUR GUARANTEE
If for any reason you are dissatisfied with your purchase, we'll make it right. We believe that our customers deserve the absolute best value without sacrificing superior quality, and your satisfaction is our #1 priority.
If it doesn't work for you or you just don't like, return it. Within 30 days of receipt, products purchased from JStonewell may be returned for any reason.
Keep Your Grow Space Cooler, Fresher & Better Ventilated
Creating the right growing environment starts with proper airflow. This complete 4-inch ventilation kit helps remove excess heat, improve air circulation and reduce unwanted odors, making it easier to maintain a healthier indoor growing space.
Instead of sourcing separate ventilation components, this all-in-one kit combines an inline fan, activated carbon filter, flexible ducting and airflow controls into one coordinated system that's designed for grow tents, grow rooms, greenhouses and other enclosed indoor spaces.
Why You'll Love It
- Complete ventilation solution – Includes the essential components needed for a 4-inch ventilation system.
- Helps reduce odors – Activated carbon filter absorbs unwanted odors before air is exhausted.
- Improves airflow – Supports healthier air circulation while helping remove heat and excess humidity.
- Adjustable performance – Variable-speed controller lets you fine-tune airflow to suit your growing environment.
- Flexible installation – 8-foot aluminum ducting makes routing exhaust air simple in a variety of layouts.
- Quiet, low-vibration design – Composite fan construction and permanently lubricated bearing help reduce operational noise and vibration.
Designed for Everyday Use
Whether you're ventilating a grow tent, greenhouse, hydroponic room or another enclosed indoor space, this kit is designed to help maintain consistent airflow. The inline fan connects easily with the included carbon filter and flexible ducting, while the speed controller allows you to adjust airflow as your environment changes.
The included carbon pre-filter helps protect the main carbon filter, while the reversible filter design offers added installation flexibility.
What's Included
- 1 × 4-inch inline ventilation fan (154 CFM)
- 1 × Variable-speed controller
- 1 × 4-inch activated carbon filter
- 1 × Carbon filter pre-filter
- 1 × 4-inch flexible aluminum duct (extends up to 8 ft)
- 1 × Thermostat or environmental monitoring component*
*The product listing identifies a thermostat or environmental monitoring device as part of the kit, but the exact model and functions are not specified.
Technical Specifications
- Fan Size: 4 inches
- Airflow: 154 CFM
- Fan Speed: 2,700 RPM
- Power: 75W
- Voltage: 115V
- Current: 0.6A
- Frequency: 60Hz
- Carbon Filter Flange: 4 inches
- Carbon Filter Airflow Capacity: 200 CFM
- Duct Diameter: 4 inches
- Duct Length: Extends up to 8 feet
- Duct Material: Flexible aluminum with reinforced wire helix
Built to Support Healthier Indoor Growing
From controlling odors to improving airflow, this complete ventilation kit provides the core components needed to create a more stable indoor growing environment. It's an excellent choice for growers looking for an easy-to-install, adjustable ventilation system that helps keep fresh air moving where it's needed most.