Southwire flexible non-metallic conduit flexible, liquid tight, nonmetallic conduit. Ideal for machinery, air conditioning and heating applications and outdoor lighting. Safe and easy to use. non-conductive, non-corrosive, abrasion resistant and consistent diameter. Highly flexible, won't fracture or separate. Cuts easily and smoothly. Resistant to zone, alkaline, acid and oil. Conduit and fittings provide complete nonmetallic, nonconductive system. Ground integrity never compromised. Ultratite Flex Conduit NM0.820" inner diameterNon MetallicDirect bury or encased in cementSpiral of PVC embedded in flexible PVC wallFor motor/branch circuits, elevators, cranes,signsStrong and flexible to withstand repetitive motion applicationsWill not rust or corrodeSmooth interior for easy wire pulling3/4" x 25'