Your throat-style damper may not look like much, but it provides crucial air flow regulation for your fireplace. If yours is broken or loose you may be losing valuable heat up your chimney, making your fireplace or insert a heat drain rather than an additional heat source. Features: * Complete with cast iron valve plate and 5-position poker control detached and bolted to body * Coated with black corrosion-resistant paint * Plate dimensions: 7 in. D x 22-1/2 in. W * Throat dimensions: 30 in. front, 23 in. back, 10 in. depth * Overall dimensions: 34 in. front, 26-3/4 in. back, 13-1/2 in. depth * 6 in. height * Quick and easy installation What"s In The Box: * Vestal 30 30-Inch Cast Iron Fireplace Throat Damper