---
product_id: 276081629
title: "400CM Air Conditioner Caulking Kit for Windows for Mobile Air Conditioner and Dryer, Window Seal with Zip for Evacuation All Mobile Air Conditioning Units, Easy Installation"
brand: "gulrear"
price: "439 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/276081629-400cm-air-conditioner-caulking-kit-for-windows-for-mobile-air
store_origin: DK
region: Denmark
---

# energy-saving airlock 400cm universal fit easy zip installation 400CM Air Conditioner Caulking Kit for Windows for Mobile Air Conditioner and Dryer, Window Seal with Zip for Evacuation All Mobile Air Conditioning Units, Easy Installation

**Brand:** gulrear
**Price:** 439 kr
**Availability:** ✅ In Stock

## Summary

> ❄️ Zip in Cool Comfort, Zip Out the Heat!

## Quick Answers

- **What is this?** 400CM Air Conditioner Caulking Kit for Windows for Mobile Air Conditioner and Dryer, Window Seal with Zip for Evacuation All Mobile Air Conditioning Units, Easy Installation by gulrear
- **How much does it cost?** 439 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/276081629-400cm-air-conditioner-caulking-kit-for-windows-for-mobile-air)

## Best For

- gulrear enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Setup:** Adhesive hook tape and zipper system make installation a breeze—no tools or disassembly required.
- • **Energy-Smart Design:** Durable nylon material prevents heat backflow, reducing AC workload and slashing energy bills this summer.
- • **Effortless 400cm Fit:** Covers windows up to 4 meters wide for versatile use across most tilting windows and balcony doors.
- • **Seal Out Heat & Pests:** Innovative zipper design locks out warm exhaust air, rain, and unwanted pests, keeping your space cool and clean.
- • **Multi-Device Compatible:** Perfect for portable ACs, dryers, exhaust units, and dehumidifiers—your all-in-one window sealing solution.

## Overview

The 400CM Air Conditioner Caulking Kit by gulrear is a durable, easy-to-install window seal designed for portable air conditioners and dryers. Measuring 4 meters in length, it fits most tilting windows and balcony doors, using a zipper system to efficiently block heat, pests, and rain. Made from sturdy nylon with adhesive hook tape, it ensures energy savings by preventing warm exhaust air from re-entering your room, all without the hassle of disassembly.

## Description

400CM Air Conditioner Caulking Kit for Windows for Mobile Air Conditioner and Dryer, Window Seal with Zip for Evacuation All Mobile Air Conditioning Units, Easy Installation

## Features

- 【Ingenious Innovative】Window seal for portable air conditioner that is simply zipped in place between the window and the window frame and can regulates the air exchange efficiently and locks out pests and keeps out the rain.
- 【Wide Application】Window seal for portable ac units suitable for portable mobile air conditioners, dryers, exhaust dryers, and dehumidifiers. The airlock window seal is only suitable for commonly-used tilting windows or wings. It is suitable for a turn-tilt skylight product, casement window, and a balcony door that opens outwards. But unable to use it on a Left and right sliding window or door.
- 【Energy Saving In Summer】Window seal for portable air conditioning is made of durable nylon material for easy sashing slide. Push through the tube, the zipper closed and the heat stays outside. This practical airlock prevents the warm exhaust air from returning into the room. The windows can be closed easily when leaving. There is no need to disassemble.
- 【Perfect Suitable】The airlock window seal kit perfectly fit for the window of a range of 4 meters/158inch. It fit the windows in which four sides of the window do not tower than 4 meters/158inch. If the window is lower than 4 meters you may need some adjustments and try to create loops/folds and seal these with duct tape to create a decent seal.
- 【Easy to Use】Simply apply the adhesive hook tape to the inside of your window frame and to the window itself. Attach the window seal to the hook tape. Then, open the zip on the window seal and place your air conditioner hose out of the window. In the end, close the zip tightly around the hose.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | gulrear |
| Model Number | JOYOOO |
| Color | White |
| Product Dimensions | 3.3 x 24.89 x 26.67 cm; 198.45 g |
| Capacity | 283 g |
| Voltage | 100 Volts |
| Auto Shutoff | No |
| Special Features | Portable |
| Item Weight | 198 g |

## Product Details

- **Brand:** gulrear
- **Capacity:** 10 ounces
- **Special Feature:** Portable
- **Product Dimensions:** 1.3"D x 9.8"W x 10.5"H
- **Color:** White
- **Voltage:** 100 Volts
- **Power Source:** Corded Electric
- **Form Factor:** Tower
- **Model Name:** JOYOOO
- **Item Weight:** 7 Ounces

## Images

![400CM Air Conditioner Caulking Kit for Windows for Mobile Air Conditioner and Dryer, Window Seal with Zip for Evacuation All Mobile Air Conditioning Units, Easy Installation - Image 1](https://m.media-amazon.com/images/I/610jJcnAT1L.jpg)
![400CM Air Conditioner Caulking Kit for Windows for Mobile Air Conditioner and Dryer, Window Seal with Zip for Evacuation All Mobile Air Conditioning Units, Easy Installation - Image 2](https://m.media-amazon.com/images/I/51ctQioz0VL.jpg)
![400CM Air Conditioner Caulking Kit for Windows for Mobile Air Conditioner and Dryer, Window Seal with Zip for Evacuation All Mobile Air Conditioning Units, Easy Installation - Image 3](https://m.media-amazon.com/images/I/51-bGmrVgFL.jpg)
![400CM Air Conditioner Caulking Kit for Windows for Mobile Air Conditioner and Dryer, Window Seal with Zip for Evacuation All Mobile Air Conditioning Units, Easy Installation - Image 4](https://m.media-amazon.com/images/I/51C4P1VU7QL.jpg)
![400CM Air Conditioner Caulking Kit for Windows for Mobile Air Conditioner and Dryer, Window Seal with Zip for Evacuation All Mobile Air Conditioning Units, Easy Installation - Image 5](https://m.media-amazon.com/images/I/71vKrbEy3cL.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.dk/products/276081629-400cm-air-conditioner-caulking-kit-for-windows-for-mobile-air](https://www.desertcart.dk/products/276081629-400cm-air-conditioner-caulking-kit-for-windows-for-mobile-air)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-05*