Waterproof and dustproof design ensures optimal protection for your enclosures and cabinets. Compact size of 116x116x52mm fits a variety of applications, making it versatile for different setups. Easy to install and replace, providing a hassle-free solution for maintaining air quality. Enhances airflow while keeping dust and moisture out, prolonging the lifespan of your equipment. for use in both residential and commercial environments, ensuring a clean and safe atmosphere. Welcome and I wish you a happy life, my friend., Manufacturer: JOLIANE