The ebm-papst RadiCal centrifugal fan represents a new generation of backward-curved fans designed for operation without a scroll housing. Utilizing impellers made of a high-tech compound material and combined with efficient GreenTech EC motors, these fans deliver exceptional performance. Key advantages include high efficiency, optimized airflow, reduced noise, and mechanical compatibility with existing AC fan setups. The GreenTech EC motor technology provides energy savings, extended service life, and maintenance-free operation, making it an ideal choice for various ventilation and air conditioning applications. The fan's robust design and compact size further enhance its versatility and ease of integration into diverse systems.