CODE DIA.(mm) WALL
GV-SQR-70 70 0.6
GV-SQR-80 80 0.6
GV-SQR-90 90 0.6
GV-SQR-100 100 0.6
GV-SQR-120 120 0.6
GV-SQR-130 130 0.6
GV-SQR-150 150 0.6
GV-SQR-180 180 0.6
GV-SQR-210 210 0.8
GV-SQR-250 250 0.8
GV-SQR-300 300 0.8
GV-SQR-350 350 0.8
GV-SQR-400 400 0.8
GV-SQR-450 450 1.0
GV-SQR-500 500 1.0
GV-SQR-550 550 1.0
GV-SQR-600 600 1.0
GV-SQR-650 650 1.0
GV-SQR-700 700 1.0
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.