Australian Standard AS 4254.1 Fire Rated Flexible Duct suitable for all HVAC Systems.
This flexible duct has been developed to meet the demands of today’s HVAC systems. V-FLEX has been used In numerous major developments around Australia 
Consultants and engineers specify V-FLEX because it is manufactured from materials that will stand up to the test of time, rated to Australian Standard AS 1530 part 3 and has a temperature range of -10°C to 80°C.