Asbestos-free flat washer seal or aluminium, upon
Breather and filler plug. Good vent capacity by
means of two holes located under the hexagon.
It is equipped with a galvanized steel air filter
inside, (indicative filtration degree 50 microns)
for work applications in dusty environments.
Particularly indicated for application on gear
reducers, convertes, step-up gears, gearboxes and
transmission components in general.