Insul-Flue®
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Order 2 wall units and one thimble for through inside wall application.
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SDV wall unit fits Simpson Dura-Vent™ double wall pipe.
Order 2 wall units and one thimble for through inside wall application.
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Order 2 wall units and one thimble for through inside wall application.
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Note: Used to seal up an old thimble hole. Insert plug in old thimble hole and tighten expansion bolt on face. Insulation expands causing a tight fit. Constructed of ceramic fiber insulation material.
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