Based on this product's specifications, here are some alternatives and similar models
Axial Fan BLOW 40×20 mm 24V sliding-bearing — compact 40mm PC/industrial cooling fan
Summary description:
Axial cooling fan BLOW 40×20 mm with a 24V sliding (sleeve) bearing offers compact airflow for small enclosures, electronic devices and PC cooling tasks. The 40×20 mm size suits tight spaces, providing ventilation and heat dissipation for components, control units or power supplies where a slim, low-profile fan is required.