Ventilation for rack, cabinet or industrial PC, 12 mm, nut included, black plastic

Ventilation screw can be used for rack, cabinet or industrial PC. It has a diameter of 12 mm, a rubber gasket is also included that sits on the screw, which makes it waterproof between the ventilation and what you mount it on. A nut is also included which makes it possible to fasten it even further if the nut is screwed in on the back of the screw ventilation.