Ducting Adaptor for Underfloor Telescopic vent 100mm Ducting Part number: 1205. Adapter kit used in conjunction with the Timloc telescopic vent. Fits to the lower section allowing a 100mm ducting pipe to be fitted, flexible Pvc or rigid Pipe. Complies fully with relevant Building Regulations and British standards. Can then be used to channel air in specific areas of the floor void, through dividing walls floor slabs etc. Telescopic vents and air bricks available. Other adaptors and fittings for this product available in our shop. Ducting size: 100mm Rectangular size: 50mm x 215mm Quality Satisfies all NHBC Standards 2008 Edition Manufactured to BS EN ISO 9001 : 2008 Complies with all relevant Building Regulations Meets all relevant British Standards ‘Equivalent Area’ tested by BRE to BS EN 13141-1:2004 Material & colour choice Manufactured by injection moulding in polypropylene