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200 x Yellow Plugs - Drill size 5mm
10 x 1 clips / 25 - 35mm
For replacement of one normal roof slate to provide a ventilatorVentilating a roof space at low level or high levelConnection to mechanical extraction from kitchen/bathroomsVentilation outlet for soil vent pipe
000mm² of airflow without draught baffle
Size example: 35mm x 35mm it will measure:
9" x 6" Manthorpe Extendable Combination Cavity Wall Sleeve Vent Colour Options:Buff 200 x Yellow Plugs -Product Description Extendable Cavity Wall Sleeve Vent Menu Options 9" x 6" Inch Ventilation for heating and gas appliances with integral wind baffle. This vent is to increase the airflow in a room to eliminate condensation with this sleeve vent for heat producing appliances. Extends to suit wall thickness of 190mm 335mm. Additional G935 extension sleeves available in menu options. Each pair of extension sleeves adds on a extra 120 280mm. Finished