Feature: 1. The main unit is made of high‑strength ABS engineering plastics integrated, with a sturdy structure, humanized design and long service life 2. Independent double meter and double tap design, can vacuum two containers at the same time 3. The all‑copper check valve can effectively avoid the problem of vacuum suction. All copper material is durable 4. Using 180W full copper core coil motor, equipped with protective cover, safe and reliable, stable and durable 5. Suitable for extract corrosive gas, need to shorten the water change cycle 6. Circulating water vacuum pump realize water recycle to save valuable water resources Specification: Item Type: Circulating Water Vacuum Pump Material: Engineering plastics, copper Uses: Widely used in evaporation, distillation, crystallization, filtration, decompression, sublimation and other operations. Ideal equipment for laboratories in scientific research units, bioengineering, education applications, petrochemicals, universities, colleges, pharmaceuticals industries, and food processing. Power: 180W Pump Displacement: 80L/min Water Tank Volume: 15L Head: Approx. 10meter / 32.8ft Single Head Pumping Rate: 10L/min Vacuum Degree: 0.098MPa Noise: <45dB Number of Taps: 2 Motor Power: 180W Size: LxWxH: Approx. 385 x 280 x 420mm / 15.2 x 11 x 16.5in Model Description: Anticorrosive vacuum bottle, pump head engineering plastic. Package List: 1 x Pump Body1 x Water Tank1 x Cover 1 x Water Pipe