PREMIUM Liquid-Tight Conduit- Made from high quality virgin PVC. Smooth inside for easier wire pulling, no hazardous sharp edges or burrs, will not damage conductors. Light weight and lower installed cost. Quick installation, cuts with utility knife or PVC cutter. Integral rigid & flexible PVC construction Safety and Sturdiness-Flex conduit 3/4 Resists corrosion, abrasion, oil, water, acid, metal shavings, and rough environments; resists abuse, pull and crushing; outdoor, sunlight resistant, direct burial,50% lighter than metallic conduits