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Rotary vent, Metal, 240 diameter, 110m high These require 100mm dia hole.

Features

The mounting base, which is not exposed to sunlight is plastic.

These draw air OUT, as the vent spins by the slightest breeze.

To install, remove the top cap and undo the spindle nut. The entire rotating section will remove and leave the base plate exposed. The base plate is screwed or rivetted thru the 4 holes provided, and silicone or caulking compound should be added to the surface to prevent water leaks.

An optional internal cut-off vent may be added if required. Search for 'muller round'.

Specifications