150mm dia acoustic duct – 150mm diameter ($ per 3metres)
150mm dia acoustic duct
Zone 06A
200mm dia acoustic duct – 200mm diameter ($ per 3metres)
200mm dia acoustic duct
250mm dia acoustic duct – 250mm diameter ($ per 3metres)
250mm dia acoustic duct
300mm dia acoustic duct – 300mm diameter ($ per 3metres)
300mm dia acoustic duct
350mm dia acoustic duct – 350mm diameter ($ per 3metres)
350mm dia acoustic duct
400mm dia acoustic duct – 400mm diameter ($ per 3metres)
400mm dia acoustic duct
450mm dia acoustic duct – 450mm diameter ($ per 3metres)
450mm dia acoustic duct