Ventilation Tile Inline UB19 Plain Tile Vent (PTV) Multiple Base Red

"Ubbink's UB19 vent is a streamlined hood suitable for plain tiled (overall dimension 500mm x 640mm) roof covering and is available in 3 colours. The UB19 unit has a free vent area of 22,000mm². For the UB19 vent to be converted into a terminal for soil/mechanical ventilation add a felt sleeve and adaptor 50544180 "