710mm Zinc-plated Mild Steel Spiral Tube used for ventilation systems.
Spiral ducting is manufactured 0.6mm of Zinc-plated Mild steel to HVCA DW 144 specification unless otherwise stated.
An alt...
A 710mm Female coupling connector for joining fittings together or to a fan unit.
To Join two pieces of ducting together, you will need the CONM - Male Ducting Connector...
710mm Zinc-plated Mild Steel Spiral Tube used for ventilation systems.
Spiral ducting is manufactured 0.6mm of Zinc-plated Mild steel to HVCA DW 144 Specification unless otherwise stated.
An alterna...