Description Description The Haskel 50728 seal kit is a high-quality replacement part for Haskel gas boosters with a -7 ratio and CO2 service. The seal kit contains all the necessary seals, bearings and other parts to ensure optimal performance and durability of your gas booster. The seal kit is easy to install with the help of the seal kit instruction sheet that matches your model. The Haskel 50728 seal kit is designed to meet the robust specifications of Haskel high pressure technology and provide reliable service in critical or demanding applications. Seal Kit Item Components 27915: 1 qty 27916: 1 qty 28119: 2 qty 568013-32: 1 qty 568016-32: 1 qty 568033-7: 1 qty 568036-2: 2 qty 568134-32: 1 qty 568224-32: 1 qty 568910-32: 2 qty AN381-2-10: 1 qty MS28774-134: 1 qty State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories