Features Continuous Operation The mechanical seal of the pump is made of hard and corrosion resistant titanium tungsten material, which makes the pump run safely and continuously, with stable performance and strong practicality. Small Size The overall structure of mechanical seal is compact, small, low noise, considerable in energy saving, convenient in maintenance, 100% brand new and high quality, reliable and safe. Improve safety: pump leakage, leakage, overload, overtemperature and other automatic protection measures, improve safety and reliability. I believe this can bring more convenience to your life. Excellent Performance The machine has excellent sealing performance, good sealing performance, exquisite workmanship, smooth and delicate appearance, long service life and long service life. Easy Installation The mechanical seal of the pipeline is easy to install. This type of mechanical seal of the water pump can directly replace the old or damaged one and has a variety of functions and obvious effects. Specification: Item Type:Water Pump Mechanical Seals Model: 520-3/4. Material: Silicon Carbide + Tungsten Titanium Package list: 1 x mechanical seals, 1 x spring Package List 1 x Mechanical Seals 1 x Spring