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Square Ceiling Support Box & Trim Collar - 11" tall, 6" Diameter, DuraPlus [Triple-Wall] - 6DP-CS11
Duravent$243.536DP-CS11 is an 11 inch tall square ceiling support box and trim collar with a 6 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...