Description Description The Haskel 16772 is a seal kit for air-driven pumps. It contains various components such as O-rings, gaskets, and washers that are designed to prevent leaks and ensure optimal performance of the pump. The seal kit is compatible with single-acting pumps with a 2-inch diameter piston. The seal kit is easy to install and replace, and it comes with a factory warranty from Haskel. Seal Kit Item Components 16517: 2 qty 5005-31H: 2 qty 568006-2: 2 qty 568010-2: 2 qty 568014-2: 2 qty 568906-9: 2 qty 568035-2: 1 qty 568050-2: 2 qty 27272: 1 qty 50866: 1 qty SKI-001: 1 qty State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories