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A multi-ply aluminium and polyester laminated ducting with a strong steel wire spiralled internal frame. Does not tear or rip.
A multi-ply aluminium and polyester laminated ducting with a strong steel wire spiralled internal frame. Does not tear or rip.
Manufactured using 2 layers of tough aluminium foil/polyester laminate, welded together with flame retardant adhesive and steel wire sandwiched between a 25mm layer