Products Features:
- Circular exhaust air valves.
- Steel construction.
- Center core adjustable by screw and nut for air
- volume control.
- The outer body is fitted with a foam - rubber gasket to form an airtight seal with the mounting ring.
Standard Finish:
White powder coated. Other colors are available upon request.
Fixing:
Galvanized steel mounting ring with screw holes.
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