---
product_id: 600881389
title: "Quiet Register Booster Fan Fits 4\" x 12\" Register Holes"
brand: "biowind"
price: "¥5874"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/600881389-quiet-register-booster-fan-fits-4-x-12-register-holes
store_origin: JP
region: Japan
---

# 120 CFM airflow Ultra-quiet 18 dBA noise 10-speed remote control Quiet Register Booster Fan Fits 4" x 12" Register Holes

**Brand:** biowind
**Price:** ¥5874
**Availability:** ❌ Out of Stock

## Summary

> 💨 Elevate your comfort game with smart airflow that’s as quiet as your hustle.

## Quick Answers

- **What is this?** Quiet Register Booster Fan Fits 4" x 12" Register Holes by biowind
- **How much does it cost?** ¥5874 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/600881389-quiet-register-booster-fan-fits-4-x-12-register-holes)

## Best For

- biowind enthusiasts

## Why This Product

- Trusted biowind brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Customizable Airflow:** 10-speed fan settings via remote let you tailor airflow to your exact comfort level.
- • **Smart Climate Control:** Automatically balances room temperature with precision thermostat integration.
- • **Sleek & Seamless Design:** Premium anodized aluminum frame fits flush in 4"x12" vents for a modern, minimalist look.
- • **Whisper-Quiet Operation:** Operates at a barely-there 18 dBA for peaceful comfort anywhere in your home.
- • **Energy-Saving Efficiency:** Boosts HVAC performance while cutting energy costs with intelligent fan run-on.

## Overview

The BIOWIND Quiet Register Booster Fan is a compact, energy-efficient ventilation upgrade designed for 4" x 12" HVAC vents. Featuring a powerful 120 CFM airflow, whisper-quiet 18 dBA operation, and a 10-speed remote-controlled fan with thermostat integration, it smartly balances room temperatures while reducing energy costs. Its premium anodized aluminum frame ensures a sleek, modern fit that blends seamlessly into any home decor.

## Description

Experience enhanced comfort and energy efficiency with the Biowind Quiet Register Booster Fan. This compact, 6-watt fan is designed to fit 4" x 12" register holes, improving airflow from your HVAC system to eliminate uneven room temperatures. Equipped with a programmable LED controller and high-precision temperature sensor, it automatically adjusts to heat or cool rooms efficiently. The upgraded remote control allows you to adjust fan speeds (0-10 levels) for personalized comfort. Made from durable aluminum, this fan is energy-efficient, running even after your HVAC system turns off to maximize heating or cooling. Measuring 6.65 inches in length, width, and height, it's easy to install and move, making it a convenient and affordable solution for improving your home's climate control.

## Features

- Quiet Register Booster Fan: A quiet fan system designed to improve airflow from wall and floor vents in HVAC systems, helping increase home comfort. Built with a premium anodized aluminum frame and CNC-machined details, it offers a sleek, flush, and modern appearance that blends seamlessly with your home decor.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CMZP41HT |
| Air Flow Capacity | 120 cfm |
| Best Sellers Rank | #414,735 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,096 in Household Ventilation Fans |
| Brand | BIOWIND |
| Brand Name | BIOWIND |
| Collection Name | Register Booster Fans |
| Color | White 4" x 12" |
| Control Method | Remote |
| Customer Reviews | 4.0 out of 5 stars 235 Reviews |
| Electric Fan Design | Exhaust Fan |
| Electric fan design | Exhaust Fan |
| Finish Type | Painted |
| Indoor Outdoor Usage | Indoor |
| Installation Type | built-in |
| Model Name | Quiet Register Booster Fan |
| Model Number | BWF-001 |
| Motor Type | Brushed Motor |
| Number of Packs | 1 |
| Number of Power Levels | 10 |
| Number of Speeds | 10 |
| Size | 4" x 12" |
| Speed | 10 rpm |
| Unit Count | 1 Count |

## Product Details

- **Brand:** BIOWIND
- **Color:** White 4" x 12"
- **Electric fan design:** Exhaust Fan
- **Mounting Type:** Wall Mount
- **Power Source:** Corded Electric
- **Product Dimensions:** 1.96"D x 13.77"W x 5.51"H
- **Recommended Uses For Product:** Indoor
- **Room Type:** Bedroom, Dining Room, Home Office, Kids Room, Living Room
- **Special Feature:** Remote Controlled
- **Style:** Modern

## Images

![Quiet Register Booster Fan Fits 4" x 12" Register Holes - Image 1](https://m.media-amazon.com/images/I/61vrvFeYDDL.jpg)

## Frequently Bought Together

- BIOWIND Quiet Register Booster Fan Fits 4" x 12" Register Holes, 10-Speed Smart Heating Cooling AC Vent Fan with Remote Control and Thermostat Control - White
- AC Infinity AIRTAP T4 White, Register Booster Fan for 4” x 12” Register Holes, Improves Heating & Cooling Vents, Quiet 10-Speeds, Bluetooth App Control Data Alerts

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**Shop now:** [https://www.desertcart.jp/products/600881389-quiet-register-booster-fan-fits-4-x-12-register-holes](https://www.desertcart.jp/products/600881389-quiet-register-booster-fan-fits-4-x-12-register-holes)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-30*