Blauberg Stainless Steel Circular Ceiling Air Valve Disc Vent - 100mm 4" Dia

Blauberg Metal Air Valves are perfect for finishing off any ventilation or heat recovery system to a high standard. Finished in a brushed stainless steel, that will match any metal elements in a bathroom, wet room, kitchen or cloak room. Air valve vent grilles are easy to for and connect to standard size 100mm 4" duct, ventilation or heat recovery system. Blauberg air valve vent grilles are also easy to commission (when setting up and balancing a centralised ventilation system) and adjust for fine tuning. A locking nut is included so when optimal airflow and noise control is achieved, you can simply lock the central cone to set to prevent any future tampering or adjustment. Alternatively, simply spin the central cone to deliver more or less air to suit any bedroom, living room, bathroom or kitchen.