Adjustable/Telescopic sleeve for cavity wall.to pass twin wall though.each section measures 280mm,both pieces extended toe to toe 750mm approx.
Nova SM Flue 45 deg elbow - 4575705N 130mm
Simpson Duravent Elbow Insulated 3" Double Wall 45 Deg. Steel
Genuine Intergas Flue Bend 45 deg
45 Deg Blue RV Drain Elbow for Waste System PP and Clear PC 17 x 11.4 x 21 cm
Blue RV 45 Deg Drain Pipe Elbow for Sewage System 17 x 11.4 x 21 cm PP PC
