Extension Sleeve for Underfloor Adjustable Telescopic Vents G961 Ironmongery Any use of brand names

Any use of brand names is to aid the search for compatible roof tiles

Alternatively the GL260 can be painted to match interior decor

British made by Manrose

When bent into an angle: 35mm x 35mm

Extension Sleeve for Underfloor Adjustable Telescopic Vents G961 Ironmongery Any use of brand namesProduct Description Manthorpe G961 Extension Sleeve Pack of 1 Extension sleeve for telescopic vents. 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