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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
000mm² of airflow without draught baffle
White ceiling pendant and rose
Can be used to channel air in specific areas of the floor void
2 Medium hooks: 145mm x 115mm x 12mm
Specification:
Extension Sleeve for Underfloor Adjustable Telescopic Cavity Wall Vents G961 roofline_vents 000mm² of airflow without draughtManthorpe 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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