Domus Rigid Duct Plenum, fixed spigot (Air Valve Adapter). Our Rectangular to Round shape is suitable for size 110x54mm to 100mm. Domus Plenums are the ideal solution for connecting Domus Air Valves to a duct run. They are also suitable for when changing to an alternative Domus duct profile or direction of duct run.
• Allow for easy connection to Domus Air Valves or for when changing the direction or profile of a duct run.
