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Ducting 4

    Ducting 4" 1100 S Black Core - Thermoflo

    $19.00
    PRODUCT DESCRIPTION

    Benefits of Thermoflo Black Core 4" Ducting 1100S

    • Manufactured with 2-ply laminate commercial grade casing & double sealed core
    • Galvanized spring steel helix maintains duct shape and prevents rust
    • Oversized to fit easily onto connectors and fans
    • Materials are flame resistant and comply with NFPA standards 90A & 90B
    • Made in North America with strict quality controls
    • Available in 25’
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