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THFVEasy installation in various roof structures;
Designed to keep noise to a minimum;
Made of hot-galvanized black-painted steel plate;
Insulated against sound and condensation;
Has dimensions at the bottom to allow push-fit connection to Spiro-ducting;
Available in different diameters and lengths;
Available with lead flashing for the specific roof pitch.
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last updated 9-21-2005
