CODE DIA.(mm) WALL
GV-SNCR-300 300 1.6
GV-SNCR-350 350 1.6
GV-SNCR-400 400 1.6
GV-SNCR-450 450 1.6
GV-SNCR-500 500 1.6
GV-SNCR-550 550 2.0
GV-SNCR-600 600 2.0
GV-SNCR-650 650 2.0
GV-SNCR-700 700 2.0
GV-SNCR-750 750 2.0
GV-SNCR-800 800 2.0
Note: All our ducting is manufactured standard with a double flare on the one side and single flare on the other, or two single flares with Tension Ring if required.