CHARACTERISTICS:
Flexible hose made with AL/PET/AL (aluminium / polyester / aluminium) micro-perforated walls to reduce air-flow noise and steel wire helix. Thermo-insulating covering in polyester fibre (thickness 25mm / 16kg / m3). Outer aluminized polyolefin film protection (flame retardant). The sturdiness of the heat-bonded polyester fibre prevents dispersion of microfibers during air flow and maintains its integrity over the years.