Made of galvanized steel wire embodied in two layers of metallic colored polyester with 3cm thick fiberglass perimeter heat insulation and an external housing of metallic colored polyester.
Made of spiral steel wire integrated in three polyester layers coated with a high-quality flame-retardant layer and 25mm thick red colored fiberglass perimeter heat insulation and external housing of metallic colored polyester double layer.
Maximum operating pressure 3.000Pa.
Maximum air velocity 30m/s.
Sizes from 102mm to 508mm.
Resistance in case of fire, without releasing toxic gases.
Temperature from -30οC to +100°C.
Easy installation in circular or oval connections.
Suitable for air-conditioning and ventilation systems.
