The Berner CHD10-1048A is a high-performance air curtain designed for commercial use. Measuring 48 inches in length, this unheated unit features a powerful 1/2 hp motor with three speed settings, making it suitable for door heights up to 10 feet. Ideal for indoor mounting, it effectively creates a barrier against dust, insects, and temperature fluctuations, enhancing comfort and energy efficiency. This product is cULus certified and proudly made in the USA, ensuring quality and reliability for your business needs.