Lasdrop 1 Gen2 Shaft Seal The Lasdrop Gen2 Shaft Seal is a commercial grade mechanical face seal designed for long lasting installation in some of the harshest conditions. This face seal is made specifically for commercial and heavy personal marine use, and is one of the most premium seals you will find on the market today. The Lasdrop Gen2 Shaft Seal is a revolutionary seal that combines some of the highest quality marine grade shaft seal components to bring you a dripless mechanical face seal