Description Description The Haskel 55794 seal kit is designed for low pressure applications of Haskel liquid pumps, gas boosters and air amplifiers. It contains all the necessary seals, O-rings and spacers to replace the worn or damaged parts of the cycling valve spool and sleeve. The seal kit also comes with a tool and instructions for easy installation and maintenance. The Haskel 55794 seal kit ensures optimal performance and durability of your Haskel equipment. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories