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Square Ceiling Support Box & Trim Collar - 11" tall, 7" Diameter, DuraPlus [Triple-Wall] - 7DP-CS11
Duravent$499.647DP-CS11 is a 11 inches tall square ceiling support box and trim collar with a 7 inch diameter. This is used with DuraPlus triple wall pipe. DuraPlus® is designed to stay cool on the outside, to provide a hot draft on the inside, to boost stove...