Deta Vimark 4821BR 4″ 100mm Gravity Grille Brown

Deta Vimark 4821BR 4″ (100mm) Gravity Grille – Brown

The Deta Vimark 4821BR gravity grille is designed for 100mm (4″) ventilation ducts, providing effective airflow control while preventing unwanted backdraughts. Its gravity-operated flaps open automatically when air flows through the system and close when not in use, helping to maintain energy efficiency and reduce draughts. Ideal for horizontal mounting, this grille is manufactured for durability and finished in brown to blend seamlessly with brickwork or darker external surfaces.

Key Features

• Suitable for 100mm (4″) ventilation systems
• Horizontal mounting prevents unwanted backdraughts
• Gravity flaps open and close automatically with airflow
• Energy efficient design helps reduce heat loss
• Durable construction with brown finish for discreet exterior fitting

Data Sheet:
Download the Deta Vimark 4821BR Data Sheet