For use on rectangular ventilation ducts and ventilation installations wireless. For use on rectangular ventilation ducts and ventilation in...
Roof base PD-B are used in ventilation installations for load-bearing elements intake / exhaust roof louvre of circular cross section and ro...
Roof base PD-B are used in ventilation installations for load-bearing elements intake / exhaust roof louvre of circular cross section and ro...
Roof base PD-B are used in ventilation installations for load-bearing elements intake / exhaust roof louvre of circular cross section and ro...