Product HighlightsWall stacks are small rectangular ducts used as vertical risers within walls. The 3-1/4" depth allows the stack to fit easily within 2x4 wall framing. Available in 2', 3', 5' and 8' lengths.
- Hot Dipped Galvanized Steel per ASTM A653 CS Type B
- 30 Gauge
- Button snaplock
- Stack s-cleat is attached
- Two pieces per joint section
- No tools and no indentations; just snap to close
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