Description Description The Haskel 568017-38 is a high-quality o-ring made of rubber. It is designed to provide a tight seal for Haskel pumps and valves. The o-ring is durable and resistant to wear and tear. The o-ring has a diameter of 38 mm and a thickness of 1.78 mm. The o-ring is compatible with various fluids and gases, such as air, water, oil, and nitrogen. The Haskel 568017-38 o-ring is an essential part for maintaining the performance and reliability of your Haskel equipment. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories