The air compressor pump oil , also known as the iron oil window, is an essential component for maintaining the efficiency of your air compressor. This -ring oil , model 10007, allows you to monitor the oil level in your compressor, ensuring it operates smoothly. By regularly checking the oil level through this , you can prevent potential damage and extend the lifespan of your compressor. Features -Color:Silver -Material:Zinc Alloy -Size:7.60X4.60X0.90cm/2.99X1.81X0.35in -Compatibility: compatible for ta100ta120 air compressor pumps, ensuring seamless integration and optimal performance -Oil indicator: features an oil mirror and to the machine's normal operation by providing accurate oil level readings -Durable construction: made with iron sheet oil window, allowing easy monitoring of oil levels and ensuring durability -Ease of use: simple and convenient to use, making it ideal for both professional and diy applications -Versatile applications: Ideal for use in oil tanks, air compressors, pumps, pipeline systems, automotive industry, laboratory equipment, bearing housings, and mixers Package list: 1 x engine oil pump gasket 1 x rubber pad