Designed for high and low pressure heating, ventilation and cooling.
The duct is made up of an aluminium/polyester film laminated core, incorporating a coated mechanical spring wire helix and solvent based adhesive.
The duct is constructed in a way that allows it to maintain its full diameter throughout bends.  When correctly installed, it offers low resistance to air flow.
very strong and flexible
Fire retardant
Individually packed in a plastic bag