Insulated Flexible Ducts
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L2574B (more info)
4" x 25' Insulated Black Polyethylene Duct, R Value 4.2 (Quality Flex by Gray Flex Systems)
4" x 25' Insulated Black Polyethylene Duct, R Value 4.2 (Quality Flex by Gray Flex Systems)
| Manufacturer Lambro | Part Number 2574B | Retail UPC 0-3989902574-0 |
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