These vents are made of a plastic with similar qualities to ABS.
They are a hollow design making them
lightweight.
Supplied in packs of 5
Size 1
Height - 33.68
Cowl diameter 16
Size 2
Height - 46.30
Cowl diameter - 22
Size 3
Height - 54.72
Cowl diameter - 26
Size 4
Height - 63.14
Cowl diameter - 30.0
Size 5
Height - 73.67
Cowl diameter - 35.0