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    DuraVent DuraFlex Aluminum 4 Inch Diameter Flex Liner - 25 Foot Length

    List Price: $229.99
    Sale Price: $188.95
    You Save: $41.04 (18%)
    In Stock.
    *Ships same business day.

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    Product Details
    Manufacturer: DuraVent
    Part Number: 4DFA-25
    eFireplaceStore Item Number: DRV-4DFA-25
    UPC: 662492878804


    • Color: Grey
    • Size: 4 Inches
    • Aluminum flex liner
    • For use as an air intake air or for venting Category I gas-burning appliances with a draft hood or for direct vent gas appliances as part of a co-linear system
    • Constructed of single-wall (1-ply) aluminum

    *Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches. Please see the Venting Components section on this page if available for venting pipe that must be used with this unit.

    Customer Questions & Answers
    4 Questions & 4 Answers
    Rob M
    from Michigan asked:
    October 27, 2023
    Can this be used to vent a pellet stove fireplace insert?
    1 Answer
    Flex venting for pellet stove inserts would need to be 316 stainless steel.
    Submitted by: Cody S. on October 28, 2023

    from Lexington, KY asked:
    October 1, 2023
    Can this be used for a multi-fuel pellet stove?
    1 Answer
    Unfortunately, no. Pellet stoves require the use of a stainless steel liner system. 
    Submitted by: Aaron D. on October 2, 2023

    from NY asked:
    June 22, 2023
    Can it be cut to size?
    1 Answer
    Yes, you can cut the flex pipe.
    Submitted by: Kathy O. on June 22, 2023

    from NY asked:
    June 22, 2023
    Can it be used on a gas dryer?
    1 Answer
    This can be used to vent a gas dryer, but not inside of a combustible envelope such as passing though a combustible wall or inside of framework.
    Submitted by: Cody S. on June 22, 2023

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