The DEFRO DRX 300 F recuperator has a Flow Balacing system that helps to reduce heating costs and allows you to maintain uniform air flows. This system automatically stabilizes the incoming air, thanks to which we maintain a constant flow. In addition, the DEFRO DRX 300 F recuperator has a By-pass 100%, which will start automatically and adjust to the outside temperature, so it provides fresh and cool air on an ongoing basis, which is very useful in the summer season. Properties and functions of the recuperator efficiency up to 350m3/h, efficiency up to 95%, antifreeze system - modulated pre-heater (AFC - ANTI FREEZE CONTROL).