Based on this product's specifications, here are some alternatives and similar models
Fan unit Secomp 26.21.0297 — 1 fan, for 19-inch wall cabinet, black
Summary description:
Secomp fan unit model 26.21.0297 is a single-fan cooling module designed for installation in 19-inch wall cabinets. Finished in black, it provides ventilation to help manage heat inside network or server enclosures. Suitable for replacing or upgrading existing cabinet cooling, it supports continuous operation to improve airflow and protect equipment from overheating.