External Round Louvred Grille 100mm Black
External Round Louvred Grilles
- Surface protection
- Nominal duct diameter
- Nominal duct width
- Nominal duct height
- With insect netting
- Motor-controlled
- With built-in window
- With pressure relief suction valve
- With pressure relief blow-out valve
- With contrarotating valve section
- With synchronised rotating valve section