Flexible hose 1, high elasticity and easy installation 2, strong thermal insulation This hose is mainly fit for use in high ... . Composed of an inner tube with LD-A hose as the core, a heat insulation medium layer ... mat and an outer layer of aluminum foil, this hose features good fire reaardance, big pressure resistance, strong ... 2000pa KC-Kechuang Sound Absorption and Heat Flexible Hose /Insulation Hose