The DELHI 700 Series Filtered Fresh Air Supply Units provide efficient tempered air solutions by adapting to heating or cooling coils for various applications. These units feature a durable green, weather-resistant baked powder coat finish and heavy-duty ball bearings suitable for extreme temperatures from -65º to +250º F. The flexible forward-curved belt drive blowers operate at low speed and noise levels, ensuring quiet performance. Designed for easy maintenance, the latched top cover provides access to four permanent, washable aluminum filters, motor, and drive. The motor is protected by outside air flow for extended life, while the top is insulated with a 1/2" fiberglass flexible duct liner for optimal energy efficiency. Perfect for both residential and commercial applications, this unit combines performance, durability, and quiet operation.