Advantage Fire safety, fire retardant B1 Excellent, constant thermal insulation thanks to the high density polyurethane(52+/-2kg/m3) Light wieght, TD ducts weight 1.46kg/m2 compared to 9.8kg/m2 sheet metal duct. Silent operation, vibration and reverberation are minimized, increasing system comfort. Hygienic and does not absorb humidity. Air tight seal, very low are leakage, the leakage test result is only 0.98m3/
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