Based on this product's specifications, here are some alternatives and similar models
Oil transfer pump PRESSOL SRL 650 — 6 l/min (360 l/h) capacity
Summary description:
Manual oil transfer pump PRESSOL SRL 650 delivers 6 l/min (360 l/h) flow for transferring gear oil and similar lubricants. Designed for workshop and garage use, it mounts to containers and enables controlled dispensing with steady output. Suitable for topping gearboxes, differential units and maintenance tasks where moderate, reliable flow and portability are required.