Z-FLEX's Z-Vent Double Wall Adjustable Wall Thimble is for use when the vent passes through a horizontal opening, and not required for non-combustible walls.
| Vent Type: | Double Wall |
|---|---|
| Diameter (Inches): | 5" |
| Length: | 6" to 7" |
| Product Type: | Wall Thimble |
| Material: | Stainless Steel |