200mm Metal Roof Ducting Install Pack Includes: Rigid Duct – Galvanised Steel – 675mm Length PVC Coated Flexi Ducting – 5.0 Mtr Length Roof Cowl – Galvanised Steel Silicone Flashing to suit Metal Roof Rigid Duct Mounts (2x) Stainless Steel Pipe Clamps (2x)