XUEMEI Drill Pump – High-quality construction with fine workmanship, made of durable plastic for long service life. Features large flow capacity, stable performance, and high efficiency. Easy to install and operate. Pumping speed ranges from 20 to 30 liters per minute depending on drill RPM. Compatible with standard drill chucks, allowing use with an electric drill for convenient operation. Compact and lightweight design for easy portability and storage. Recommended operating speed: 1500–3500 RPM. Pump head and flow rate increase with higher RPM. At 1500 RPM, delivers approximately 1.5 meters head and 15 L/min flow. At 3000 RPM, delivers approximately 3 meters head and 30 L/min flow. Note: Product appearance may vary slightly due to monitor differences. Allow 1–3 mm size variation due to manual measurement. Specifications: Color: Black Size: Approx. 12.6 x 6.3 cm Material: Plastic Inlet/Outlet Inner Diameter: 16 mm Inlet/Outlet Outer Diameter: 19 mm (fits 6 mm hose) Working Temperature: 5–49°C (41–120°F) Rotation Direction: Clockwise Package Includes: 1 x Drill Pump 2 x Hose Clamps 2 x Connectors