Features • Ultra-Quiet Operation: Enjoy a peaceful environment with this noiseless design, ensuring minimal disturbance while maintaining high performance for various applications • Compact & Lightweight: Designed for easy installation and maintenance, this small yet sturdy pump serves as an ideal replacement for outdated models, perfect for any workspace • Built-In Protection Features: Equipped with a pressure switch and over valve, this pump safeguards against damage, ensuring reliable and consistent operation during use • Durable Engineering Materials: Constructed to withstand high temperatures and stress, this pump delivers a remarkable flow rate of 3L/min and boasts an extended service life • Versatile Applications: Ideal for a wide range of uses including gas pumping, sewage treatment, electroplating blasting, biogas tank aeration, and tunnel ventilation, enhancing its utility in various settings Features: 1、The ultra？quiet design does not produce too much noise, and the safe low voltage is adopted to guarantee safety. 2、The pump is small in size, light in weight, sturdy in structure, easy to install and maintain, and is an ideal substitute for the old pump. 3、Built-in pressure switch and over valve to protect the pump from damage and control the normal of the pump. 4、Made of engineering materials, it can withstand high temperature and , the rate can be 3L/min, and the service life is long. 5、Suitable for gas pumping, sewage treatment, electroplating blasting, biogas tank aeration, tunnel ventilation, etc. Specification: Item Type: Micro Diaphr Pump Model: VN2709PM Material: Engineering Plastic Power Supply Voltage: DC6V Power: 3W Rate: 3L/min Negative Pressure: -50KPa Medium: Air Noise: between=60dB Package List: 3 x Micro Diaphragm Pump Package List 3 x Micro Diaphragm Pump