Features Design for Longevity gh-temperature resistance and anti-fatigue materials ensure this piston ring withstands wear, providing a prolonged service life for reliable performance Low Noise gineered for quiet performance, this component minimizes noise levels, making it ideal for use in residential or commercial settings Quick and Easy Installation Features: 1、Production, high temperature and anti fatigue of this piston ring.Not easy to wear during use, long service life 2、Emptive, low noise, convenient installation. Suitable for oil- cylinders, air pumps, air compressors 3、The installation is simple and fast, does not require complicated s, improve performance. 4、 replacement for broken or old piston rings and has a long service life 5、Applicable to 550W / 1100W / 1500W / 1600W model for air compressor parts Specification: Item Type: Air Pump Piston Ring Material: ABS Uses: Air Compressor Accessories Scope of Application: Oil- Cylinder, Air Pump, Air Compressor Applicable Model: 550W / 1100W / 1500W / 1600W 550W: Approx. 68 x 48 x 1 mm / 2.7 x 1.9 x 0.04in 1100W: Approx. 68 x 48 x 1 mm / 2.7 x 1.9 x 0.04in 1500W: Approx. 74 x 56 x 1.0mm / 3 x 2.2 x 0.04in 1600W: Approx. 74 x 50 x 1.0mm / 3 x 2 x 0.04in Package List: 1 x Air Pump Piston Ring Package List 1 x Air Pump Piston Ring