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  • 100 mm 4" Back Draft Draught backdraught Shutter Inline Extractor Fan Ducting

    • Item No : 135655626433
    • Condition : New
    • Brand : Unbranded
    • Seller : parozo_53
    • Current Bid : US $9.31
    • * Item Description

    • With a gravity flap – no need for springs that break! Round rigid ducting provides superior airflow performance vs comparative size rectangular or flexible duct. Pressure Drop in Pascals: 15 l/s = 25.0 Pa – 30 l/s = 44.90 Pa – 60 l/s = 101.60 Pa.
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