Condensation trap for use with plastic round duct of 100 diameter.
Prevents condensed water from running back down the duct towards the fan in vertical PVCu ducted applications.
Not suitable for flexible duct run although you can join flexible ...
Round plastic insulated ducting
Includes fitted silver insulation wrap to keep heat from escaping and reduce condensation if warm humid air passing through a cold attic.
Pressure drops for 100mm circular - 2 meter 15l/s = 1.00PA 30l/s = 2.80PA 60 ...