Based on this product's specifications, here are some alternatives and similar models
Water pump sera PP 9000 — 9000 l/h, 140 W, max delivery 4.3 m, immersion 2 m, IPX8
Summary description:
The sera PP 9000 is a submersible water pump with a flow rate of 9000 l/h and 140 W motor power. Designed for continuous AC operation, it provides a maximum delivery height of 4.3 m and can be immersed up to 2 m. Rated IPX8 for reliable water protection, it suits aquaria, ponds, filtration systems and water circulation tasks.