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Seal Tight Damper

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The SEAL TIGHT damper is a low-profile top mounted damper that also serves as a chimney cap. Ideal for historic homes where a chimney cap might affect its aesthetic appeal. Designed with Two Gaskets. This damper provides an extremely effective airtight seal by utilizing a liquid gasket, which hardens to form an efficient seal. All Seasons Protection.. The Seal Tight Damper seals out rain, snow, and sleet while sealing in “paid” heat and air conditioning. No fusible link. Installation is Fast & Easy. Limited Lifetime Warranty. Built to last, manufactured in the USA.