Description Description The Haskel 16648 is a sleeve air drive for a 1/2 inch air valve. It is made of stainless steel and can withstand high pressures and temperatures. The Haskel 16648 is compatible with various Haskel pumps and boosters, and can be used for applications such as gas transfer, pressure testing, and injection. The Haskel 16648 is a durable and reliable component that ensures optimal performance of your Haskel equipment. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories