Description Description The Haskel 28119 ball seat is a high-quality component for pneumatic and hydraulic systems. It is made of durable stainless steel and has a smooth surface that prevents leakage and corrosion. The ball seat is compatible with various Haskel pumps, valves and boosters, and can withstand high pressures and temperatures. The Haskel 28119 ball seat is easy to install and maintain, and offers reliable performance for your applications. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories