Standard and Evolution Stuffy Box seals

Stuffy Box seals are commonly used on sailing boats and small motor boats to prevent water ingress through the propeller shaft. They are valued for their reliability, small size and easy maintenance.
This type of seal must be installed inside the boat and there must be a shaft support or a water-lubricated stern tube on the outside.
Stuffy Box seals are comparable to Volvo seals.
There are two types of seal: STD without water intake or EVO with hose connection for water intake.