What is this?
This oil level sight glass is a good accessory for air compressor.

What will I get?
The oil level sight glass is in size:
Color: Yellow
Material: Brass, Glass
Thread Size: M16x1.5mm, M18x1.5mm
Overall Size: 22 x 17mm/ 0.87" x 0.67" (Max.D *H), 22 x 16.5mm/ 0.87" x 0.65" (Max.D *H)
Width Across the Flat: 19mm / 0.75"

Are there any advantages of the product?
Made of brass and glass, high strength, high hardness and wear resistance.

How to use it?
Oil level sight glasses are widely used to check the oil level of pumps in air compressors. The actual liquid level position of the screw oil in the oil tank can be checked on the sight glass of the oil tank, and it can be judged from the outside whether the operation and maintenance of the screw oil meets the operating conditions.

What should I notice?
Turn off the air compressor and release the pressure when changing the oil level sight glass.