Application:specialsuction and deliveryhoseis particularly suitable:for industrial,agricultural and constructionengineering; Properties: Internalsmooth,scalable,thealkalimetaland acid, goodchemical resistance,goodresistance to UVandozone,gases and liquidsdo not leak. Structure:wallcoatedhard plasticspiralinner wallissmooth, Raw materials:wall:high specificationlow temperature flexibilitySoft PVCspiral:rigid PVC Temperature range:-25 °C to+80°C Deliverycolor:graycustomerscustomcolor. Specifications: diameter20~152mm