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Insulated flexible Aluminium air duct inoumbwa nemukati chubhu, insulation uye bhachi. 1. Inner chubhu: inogadzirwa nefoil bhendi rimwe kana maviri, ayo ane spially ronda kutenderedza high elastic simbi waya; Iyo foil inogona kuve laminated Aluminium foil, yakanyungudutswa yePET firimu kana PET firimu. Thic...Verenga zvimwe»