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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
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Brand: Plasplug
Complies with Building Regulation 2000 Approved Documents F (2004 edition) & J (2002 edition)
Eight holes eliminates clogging and aids dust extraction
Length: 4ft
Extension Sleeve for Underfloor Adjustable Telescopic Cavity Wall Vents G961 Tile Vents Other sizes and colours availableManthorpe G961 Extension Sleeve Pack of 1 Extension Sleeve 9" x 3" for cavity wall ventilators. Part number: G961. Can be used for vertical or rear horizontal extension. Designed to be used with G960 Manthorpe telescopic vents. Each unit extends the under floor ventilator a further 150mm vertically or 185mm horizontally. Further extension can be added. Provides a maximum equivalent area of 6600mm airflow. Meets NHBC requirements for the control of
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