The Dolphin substrate vacuum cleaner with flow switch & non-return valve 61cm is an essential tool for aquarium cleaning. It offers an easy and effective way to remove debris from the substrate.

• Length: 61cm – Ideal for medium and large-sized aquariums.
• Flow switch – Allows water flow control for more precise cleaning.
• Non-return valve – Facilitates flow start-up and prevents debris from returning to the aquarium.
• Transparent tube – Helps monitor the cleaning process.
• Easy handling – Does not require electrical power or a pump, operates with natural suction.
• Suitable for fresh & saltwater – Durable materials ensure long service life.