105mm (4") - 70mm (3") IVORY SpeediDuct Trunking Reducer Joint RJ-70-105

The Reducer Joint is part of the BBJ SpeediDuct Trunking system which is easy to install and adds the finishing touches to an air conditioning installation by covering up unsightly pipework or wiring to give a clean ivory finish.  This quality plastic trunking is fire resistant and weatherproof meaning it can be used internally or externally.
The 70mm Duct range is for pipe sizes up to 3/8" and 5/8" with 13mm insulation and the 105mm Duct range is for pipe sizes up to 3/4" and 7/8" with 13mm insulation.