Based on this product's specifications, here are some alternatives and similar models
Air Separator Comap Flamcovent Smart 50F, flange-mounted, model 50F
Summary description:
Flamcovent Smart 50F by Comap is a flange-mounted air separator designed for hydronic heating and cooling systems. The device removes and captures entrained air to improve circulation, reduce noise and prevent corrosion. Suitable for installation on pipework with flange connections, it is used in commercial and residential boiler, chiller and circulation loop applications to maintain system efficiency and reliability.