Based on this product's specifications, here are some alternatives and similar models
Axial Ventilator Arangül PE 25x25 — compact 25×25 cm ventilation fan
Summary description:
Arangül PE 25x25 is an axial ventilator designed for general ventilation tasks. With a 25×25 cm dimension, it suits wall or duct mounting in small rooms, utility spaces or ventilation systems. The fan provides reliable air movement for exhaust or supply, improving air exchange and reducing humidity. Simple installation and compact size make it practical for residential and light-commercial use.