Both of the Internal and External is Corrugated. Very flexible – ideal for working in confined areas. Reduces the number of required fittings and permits the installer/user to make smooth, tight turns. Saves time, labor and cost. PVC tube with raised exterior PVC helix for strength and flexibility. Coils easily for storage and transportation. Mildew, sun, ozone (UV) and chemical resistant. Smooth inside – permits unrestricted flow, reducing operating costs. Designed for use with barbed or insert fittings and appropriate clamps. Crush and impact resistant. Widely use for machinery lathe, electrical equipment, food machinery and equipment, automatic instrument, electric motor, cable protection, etc.
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