---
product_id: 78859565
title: "calimaero® RKKI Backdraft Shutter 4 inch Inline Extractor Fan Backdraft Shutter Self Closing, Weather/UV Resistant Plastic, 100mm"
brand: "calimaero"
price: "฿1647"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/78859565-calimaero-rkki-backdraft-shutter-4-inch-inline-extractor-fan-backdraft
store_origin: TH
region: Thailand
---

# 100mm blade length UV & weather resistant plastic Self-closing backdraft flaps calimaero® RKKI Backdraft Shutter 4 inch Inline Extractor Fan Backdraft Shutter Self Closing, Weather/UV Resistant Plastic, 100mm

**Brand:** calimaero
**Price:** ฿1647
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your airflow game with calimaero® – where efficiency meets effortless style!

## Quick Answers

- **What is this?** calimaero® RKKI Backdraft Shutter 4 inch Inline Extractor Fan Backdraft Shutter Self Closing, Weather/UV Resistant Plastic, 100mm by calimaero
- **How much does it cost?** ฿1647 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/78859565-calimaero-rkki-backdraft-shutter-4-inch-inline-extractor-fan-backdraft)

## Best For

- calimaero enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Airflow Control:** Automatically opens and closes to prevent backdrafts and cold air intrusion.
- • **Trusted Expertise Backing:** From a brand with 40+ years of ventilation mastery and responsive customer support.
- • **Durable Weatherproof Design:** Crafted from UV-resistant plastic to withstand outdoor elements year-round.
- • **Universal Fit & Easy Install:** Fits standard 100mm ducts; perfect for retrofitting existing ventilation systems.
- • **Versatile HVAC Compatibility:** Ideal for bathroom fans, cooker hoods, tumble dryers, and air conditioning units.

## Overview

The calimaero® RKKI Backdraft Shutter is a 100mm inline extractor fan accessory designed to prevent reverse airflow and cold air ingress. Made from durable, UV and weather-resistant plastic, it features self-closing flaps that open automatically with exhaust air and close tightly when airflow stops. Easy to install and compatible with a wide range of HVAC systems, this lightweight, industrial-style shutter enhances ventilation efficiency while backed by over 40 years of brand expertise.

## Description

RKKI Backdraft Shutter 4 inch Inline Extractor Fan Backdraft Shutter Self Closing, Weather/UV Resistant Plastic, 100mm

## Features

- PRODUCT FEATURES calimaero RKKI works well in square meter 95mm. Use sealing tape or sealing band for a tight fit on hoses and vents. This well-made backdraught plastic is weatherproof and UV resistant. It prevents the exhaust air from flowing back and cold air from flowing in. The flaps automatically open when the fan blows out the exhaust air and closes when the air flow stops.
- INSTALLATION The backdraft shutter is pushed completely into the exhaust pipe. Easy to install and perfect for retrofitting bathroom fans and ventilation systems without a back draft shutter. The flaps must be aligned horizontally in order to close optimally.
- VERSATILE USE No need to buy multiple products to find the one that works. Applicable in all supply and exhaust air systems, such as air conditioning systems, tumble dryers, extractor fan, cooker hood and other HVAC applications.
- PERFORMANCE Ideal choice for improving any ducting system without a backdraft shutter. The smooth-running flaps can also be opened by small fans. It does the job and works great for your home improvement.
- CUSTOMER SERVICE We are experts in ventilation for more than 40 years. If you have any questions or complaints, please contact our customer service directly. Your request will be processed immediately.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | calimaero |
| Part Number | RKKI-4 |
| Product Dimensions | 9.5 x 9.5 x 0.71 cm; 20 g |
| Item model number | RKKI 100 |
| Size | 100 mm |
| Colour | White |
| Style | Industrial |
| Finish | Painted |
| Power Source | Electric |
| Voltage | 230 Volts |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Blade length | 100 Millimetres |
| Speed | 1 RPM |
| Switch style | On/Off |
| Certification | DIN EN 1506 |
| Special Features | No |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 20 g |

## Product Details

- **Brand:** calimaero
- **Colour:** White
- **Electric fan design:** Exhaust Fan
- **Power source:** Electric
- **Style:** Industrial
- **Product dimensions:** 9.5D x 9.5W x 0.7H centimetres
- **Room type:** Bathroom
- **Special feature:** No
- **Recommended uses for product:** Ventilating
- **Finish type:** Painted

## Images

![calimaero® RKKI Backdraft Shutter 4 inch Inline Extractor Fan Backdraft Shutter Self Closing, Weather/UV Resistant Plastic, 100mm - Image 1](https://m.media-amazon.com/images/I/41-Tj7z7FcL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Frequently Bought Together

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-01*