Chimney has been filling the supply and accessory needs of over 8,000 chimney sweeps hearth retailers masons and contractors for over 25 years, Chimney has the privilege of serving over 80% of the chimney professionals in America, Founded by Robert Daniels ""Sooty Bob "" in 1978 Chimney has grown from a one-man operation to a national network of six warehouses and a manufacturing plant, From its headquarters in Fairfield Iowa Chimney plays a major role in providing for the Chimney industry, Some direct vent appliance manufacturers require a minimum vent height, When you encounter such an appliance while performing a horizontal through-wall installation, use a Selkirk Direct-Temp Direct Vent Snorkel Termination Cap to make up the difference in vertical rise, This handy venting accessory is available in 36 lengths and connects easily to other Direct-Temp components, Selkirk"s Direct-Temp line of venting products stands out amongst its competitors because of its unique blend of versatility and strength, For example, how many other brands of piping are capable of venting corn, pellet, and gas heating appliances? And how many boast a construction resilient enough to resist corrosion and leaks, yet still appear elegant? This series also includes a variety of specialized items, like this Direct Vent Snorkel Termination Cap, to help you find a solution for every type of venting challenge, There"s no better choice than Direct-Temp for convenient and reliable venting, Allows direct vent system to meet minimum height requirements, For use with horizontal through-wall installations, Compatible with Direct-Temp venting products, Lifetime warranty, 6-5/8"" Opening, Dimensions: 48"" H x 15, 28"" W x 13, 25"" D, SKU: CPPF5763