Description:

[Size] - Thread Size: NPT1-11.5; Overall Size : 41 x 30.5mm / 1.61" x 1.2" (Max.D *H). [MATERIAL] - The main body is made of 304 stainless steel, which is not easy to wear and burst compares to plastic material. It can work in high temperature environment. [FEATURE] - Male thread, easy installation. The outside diameter of these oil level sight glasses with recessed hex design. [WIDELY APPLICATION] - Oil level sight glass used widely to check the oil level of the pump in the air compressor. The actual liquid level position screw oil in the oil tank can be placed on the tank sight glass to see, to judge from the outside to run defenders screw oil meets the operating condition. [NOTE] - Get your air compressor shut down and pressure relief when change oil level sight glass.