Based on this product's specifications, here are some alternatives and similar models
Fan Prolech 50×50×10 mm 24V sleeve bearing 3-wire
Summary description:
Axial cooling fan Prolech with dimensions 50×50×10 mm, designed for 24V DC operation. Equipped with a sleeve (sliding) bearing and a 3-wire connection for power and control. Suitable for electronics cooling, small enclosures, power supplies and ventilation tasks where compact 24V fans are required. Simple mounting and low-profile design.