Terminal Megaton, universal chrome, not approved, internal diameter to the manifold 45mm (in the package is included a reducer with 3 layers: for diameter Ã42mm, Ã40mm and Ã38mm). Diameter final part fume outlet 43mm. Diameter final part cone wide 90mm. Supplied with universal supporting bracket. Removable internal with accommodation for glass wool or rock wool regenerable (not included). Length 44 cm. Sold per piece .