£66.51 37-125-004 - TWPro MB - Twin Wall to Twin Wall Increaser - Ø 125-150mm For use on solid fuel and gas/oil appliances. eg: woodstoves, gas coal effect fires, oil boiler, gas boiler and any solid fuel appliances.
£49.62 37-125-909 - TWPro MB - FROM ENAMEL Flat Increasing Adaptor - Ø 125-150mm TO BE USED ADAPTING FROM ENAMEL ONLY INCREASING THE DIAMETER BY 25mm. This has a flat design to give an instant transition from the appliance or connecting flue to TWPro in the shortest length.
