Based on this product's specifications, here are some alternatives and similar models
Portable evaporative air cooler Rittal 3334.300 — 1850 m³/h, 380–415/440–480 V, 50–60 Hz, grey
Summary description:
Rittal 3334.300 is a portable evaporative air cooler designed for industrial and commercial applications. It delivers 1850 m³/h airflow, operates on 380–415/440–480 V AC at 50–60 Hz and is certified to DIN EN 14511. The unit features a grey finish and portable design for spot cooling of equipment rooms, workshops and temporary cooling needs.