75mm Dome vent stainless steel

$122.48
(M12518)

 Mushroom Dome Vent,  Stainless steel - Hole Size: 80mm; Flange Size: 118mm; Height 25mm

The mushroom vent style, is primarily a vent to extract air out rather than air in.  The design allows air to flow over the top, creating a vacuum allowing the air to exit from the cabin ceiling. 

The lid fits on a shaft that allows it to spin up or down to the point of locking air (& water) out. With a range of 8mm - 38mm for wall thickness