Oil View Glass, Pack of 2 1/4" 1/2" Male Threaded Alloy Oil Liquid Level Gauge Oil Indicator for Pump Air Compressor Fittings

Material: Aluminum Alloy; Threaded Dimension: 1/4"; 1/2"; Packing List: 2pcs x Oil Sight Glass Advantage: 1. The main body is made of aluminum alloy, less prone to wear and cracking than plastic materials. It can work in high temperature environments. Good sealing is ensured by an O-ring on the periphery. 2. The outer diameter of these oil level portholes is designed with a recessed hexagon. The oil level can be read correctly in the middle by the sabord. Instruction: Turn off your air compressor and drain the pressure when you change the oil level of the viewing window. Application: The hydraulic tank sabord is a device used to monitor the oil level and oil quality of hydraulic systems. Suitable for tanks, air compressors, pumps, piping systems, automotive industries, mixers and gearbox hydraulic tanks. NOTE: Please confirm the size before placing an order.