Description Description The Haskel 51215 seal kit is a replacement part for Haskel liquid pumps, gas boosters and air amplifiers that use a 6 HP air drive. The seal kit contains all the necessary seals, bearings and other parts to ensure optimal performance and durability of your Haskel equipment. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories