DESCRIPTIONMI-FLEX-Screw Fix accessories is a family of screw on installation fitting that have been perfectly designed for use with MI-FLEX 316 and 904 flexible flue liners. When fitted in conjunction together It will make a full system chimney. This 0.6mm 316 s/s adaptor is designed to be a transitional joint connecting a ridged single wall connecting flue system to MI-FLEX that is the same nominal diameter. GENERAL APPLICATIONThese items are to used in conjunction with MI-FLEX multi fuel flexible flue liner. Building Regulations Document J requires that a flexible flue liner can only be installed completely enclosed inside a masonry chimney. A non masonry enclosure such as timber or plasterboard boxing in is not acceptable. All items are suitable for use on appliances up to 600°C (T600 designation). Suitable for use on Wood