Features: Minimal obstruction to liquid flow in the water pipe which can improve efficiency. 304 stainless steel, Great processing, non-fragile and long service life. Can be used in water or oil without filters. Applicable Medium: Water / oil. High accuracy design, the liquid flow rate is greater than 1.2L/Min. Water shortage protection switch of laser welding machine, gas stove & water flow switch. Package Includes: 1X Water Flow Switch Specifications: Material: 304 Stainless Steel Size: 6cm/ 2.36 in Flow Size: 1.2L / Min above Thread Size: Double female thread G1/2in note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.