Wall Tube for HCM 150/180mm Exhaust Fan
This is a wall tube to suit the HCM exhaust fan if installed on a wall. This tube will be suitable for the HCM 150mm or the 180mm. The tube length can be cut to suit your cavity size – the maximum is 230mm in length. The tube comes as a single flat sheet, which needs to be rolled into a tube to form a parallel-sided cylinder.