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"Dalsin Line"® Aluminum Flex Liners are used for venting category 1 heating appliances or direct vent appliances into a masonry chimney. Manufactured using Type 3003 aluminum, this heavy-duty 2-ply liner is made from two strips of .005", high-grade aluminum for a total thickness of .010"
| Model | 940034HWS |
| Diameter | 3” x 4” |
| Size | W 18" x D 18" x H 13.5" |
| Clearance | UL and ULC listed to 1777 standard ANSI Z21.88-2009/CSA 2.33 (2009) Listed Zero clearance inside a masonry chimney |
| Finish/Color | Silver |


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Limited Lifetime Warranty |
Ships within 48 hours · Estimated delivery Jun 20 - Jun 25
US$40
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