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Overview

Improve indoor air quality with this high-speed 4-inch exhaust fan designed for efficient window or wall installation. Perfect for kitchens, bathrooms, and enclosed rooms, it quietly removes heat, moisture, odors, and smoke—keeping your space fresh and comfortable all day.

4-Inch Window Exhaust Fan, High-Speed ABS Ventilation Fan with 110V Plug, Through-Wall Air Transfer Fan for Kitchen, Bathroom, Basement & Indoor Venting (Room-to-Room Airflow)

Model: First-step-49
Web Code: 19613575
Sold and shipped by | 2.0 seller rating (2 reviews)

Available for deliveryAvailable online only

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Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Efficient Air Circulation for a Fresher Home

Keep your home well-ventilated with this powerful 4-inch Window Exhaust Fan, built to quickly remove moisture, odors, smoke, and stale air from any small to medium-sized room. Designed for versatility, it can be installed through walls, windows, or ceilings, making it ideal for bathrooms, kitchens, utility rooms, storage areas, and workshops.

⚡ High-Speed Ventilation for Quick Air Removal

Equipped with a high-speed motor, this ventilation fan ensures fast and efficient airflow to maintain a clean and breathable environment. Whether you're eliminating bathroom humidity, kitchen cooking fumes, or indoor odors, it delivers steady air transfer for healthier living spaces.

🛡️ Durable ABS Construction — Built to Last

Made with premium ABS plastic, the fan housing is lightweight yet strong, offering excellent durability and moisture resistance. The smooth, modern exterior blends well with any home décor while maintaining long-term performance.

🔌 110V US Plug — Easy, Hassle-Free Installation

This exhaust fan features a direct 110V plug, making setup simple—just mount it and plug it in. Ideal for renters, beginners, and homeowners who prefer convenient installation without hardwiring.

🔄 Room-to-Room Air Transfer Capability

Use it as a room-to-room transfer fan to balance temperatures and improve airflow between connected spaces. Perfect for RVs, sheds, basements, garages, attics, and interior rooms lacking ventilation.

🔇 Quiet, Energy-Efficient Operation

Designed for low noise and energy efficiency, this fan provides strong airflow without disturbing your daily routine. The long-lasting motor ensures stable performance while keeping energy usage low.

🌬️ Ideal For Many Applications

Bathroom moisture removal

Kitchen smoke & odor extraction

Laundry room ventilation

Grow tents & greenhouse airflow

Basement freshening

Air balancing between rooms

✨ Fresh Air, Better Comfort

Create a cleaner, healthier indoor environment with a high-efficiency exhaust fan that keeps your home fresh and well-ventilated year-round.

window exhaust fan, wall mount ventilation fan, 4 inch vent fan, bathroom kitchen vent, air transfer fan, 110V exhaust fan, room-to-room fan, indoor ventilation system, high-speed extractor fan.

Product Condition
Brand New

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

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  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.