Based on this product's specifications, here are some alternatives and similar models
Membrane Pump sera Air 110 — aquarium/pond air pump, model Air 110
Summary description:
sera Air 110 is a membrane (diaphragm) air pump designed for aeration in aquariums and small garden ponds. The unit provides reliable air delivery for air stones, sponge filters and biological filters, supporting oxygenation and circulation. Compact and made for continuous operation, it suits fish tanks, shrimp setups and aquatic plant systems requiring steady airflow.