This 4-inch inline duct extractor fan is a powerful and efficient addition to your ventilation system. Designed for use in inline applications, this fan is perfect for removing excess heat and moisture from your home or workplace. With its durable construction and high-quality motor, this fan is built to last and provide reliable performance for years to come. Whether you're looking to improve the air quality in your home or simply need a powerful extractor fan for your ventilation system, this 4-inch inline duct extractor fan is the perfect choice. So why wait? Order yours today and enjoy the benefits of a cleaner, more comfortable environment!