... ,flexible,for vacuum cleaner or indutrial cleaning,extension rate: 1:2,1:3,1:4,1:5,1: ... 6,optional EVA vacuum extension hose,EVA extension hose,vacuum cleaner extension pipeMaterials: Normal, antistatic, conductive modified EVAOD from ... high tensile strength2 Smooth interior, tight inner gap3 Temperature range:-50 C~ +60 C4 Crush-proof, abrasion and tearing resistant5 Fire ...