This AC INFINITY inline duct fan silencer muffler is a perfect addition to your air ventilation and extraction system. Designed specifically for fans, filters, and environmental control, this product is ideal for use in hydroponics, garden, and patio settings. With a 6-inch size, this fan silencer is easy to instal and use. Its sleek design and durable construction make it a reliable choice for any project. Whether you're looking to improve the air quality in your home or garden, this AC INFINITY product is an excellent choice.