Description Description The Haskel 17524 spacer is a high-quality component designed to provide reliable and consistent performance in various applications. The spacer is used for 1/2 air valves and made of durable and corrosion-resistant materials that can withstand harsh environments and high pressures. The spacer has a thickness of 0.25 inches and a diameter of 1.5 inches, and it fits between the air drive piston and the air drive cylinder in Haskel pumps and boosters. The spacer is compatible with Haskel pumps, boosters, and systems, and can be easily installed and replaced by following the instructions in the user manual. The Haskel 17524 spacer is an essential part of your Haskel equipment, ensuring optimal functionality and efficiency. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories