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    Extension Sleeve (2 Course)

    SKU: CSS5721-00010
    The G961 Extension Sleeve allows the vent to reach a further two brick courses vertically. The sleeve can also be fitted to the base of a telescopic underfloor void ventilator to provide horizontal extension through larger cavities.
    Availability: In stock
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    NOTE: The weight of this item exceeds our standard delivery limit. Please contact us for the delivery costs and time!
    • 6,600mm² airflow
    • Allows ventilation to deeper underfloor voids
    • Additional depth and cavity span
    • Allows an extra 2 courses vertically per unit
    • Provides an extra 150mm horizontal extension through wider cavities
    • Quick and easy push-fit assembly with the underfloor vents
    • Maintains an unobstructed airflow path through the wall
    • Size: 50 x 235 x 215mm
    • Vertical Extension: 150mm
    • Vertical Span: 2 Extra Courses
    • Horizontal Span: Extra 180mm
    • Packaging: 20 per box
    • Box Weight: 4.0kg
    • Material: Polypropylene

    Below are the shipping rates:

    1. Orders =< 10 Kg: £6.50

    2. Orders =< 30 Kg: £9.99

    3. Pickup: £1.99

    Note: The shipping costs for products weighing over 30 Kg differ, please contact us for the shipping rates.

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