Granulated Light Brown Plain In-line Roof Tile Vent & Pipe Adapter Roofing 12 x 12mm ( 1/2

12 x  12mm        ( 1/2 inch )12 x  16mm          ( 5/ inch )12 x  20mm        ( 3/4 inch )12 x  25mm           ( 1 inch ) Measurement is the tool hole size

White Air Vent & Back Draught Shutter

test meter clips

Part number: 1201

Complies with building regulations on ventilation

Granulated Light Brown Plain In-line Roof Tile Vent & Pipe Adapter Roofing 12 x 12mm ( 1/2Product Description Granulated Light Brown Plain In line Roof Tile Vent and Adapter Fits Concrete and Traditional Clay Plain Tiles Granulated light brown roof tile ventilator. In line and discreet low profile design. For roof ventilation, extractor fans and soil pipe termination. Can be used with concrete and traditional clay plain tiles. Fully independently wind tunnel tested. Adaptor converts to a round opening that can be attached to a soil stack